1634827365 has 12 divisors (see below), whose sum is σ = 2833700844. Its totient is φ = 871907904.

The previous prime is 1634827361. The next prime is 1634827421. The reversal of 1634827365 is 5637284361.

1634827365 is a `hidden beast` number, since 1 + 634 + 8 + 2 + 7 + 3 + 6 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 572979969 + 1061847396 = 23937^2 + 32586^2 .

It is not a de Polignac number, because 1634827365 - 2² = 1634827361 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 36329497 = 1634827365 / (1 + 6 + 3 + 4 + 8 + 2 + 7 + 3 + 6 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 1634827365.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1634827361) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18164704 + ... + 18164793.

It is an arithmetic number, because the mean of its divisors is an integer number (236141737).

Almost surely, 2^1634827365 is an apocalyptic number.

1634827365 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1634827365 is a deficient number, since it is larger than the sum of its proper divisors (1198873479).

1634827365 is a wasteful number, since it uses less digits than its factorization.

1634827365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36329508 (or 36329505 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The square root of 1634827365 is about 40432.9984665990. The cubic root of 1634827365 is about 1178.0325744790.

The spelling of 1634827365 in words is "one billion, six hundred thirty-four million, eight hundred twenty-seven thousand, three hundred sixty-five".