1634663341 has 2 divisors, whose sum is σ = 1634663342. Its totient is φ = 1634663340.

The previous prime is 1634663323. The next prime is 1634663351. The reversal of 1634663341 is 1433664361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1175804100 + 458859241 = 34290^2 + 21421^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1634663341 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1634663341.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1634663351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 817331670 + 817331671.

It is an arithmetic number, because the mean of its divisors is an integer number (817331671).

Almost surely, 2^1634663341 is an apocalyptic number.

It is an amenable number.

1634663341 is a deficient number, since it is larger than the sum of its proper divisors (1).

1634663341 is an equidigital number, since it uses as much as digits as its factorization.

1634663341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93312, while the sum is 37.

The square root of 1634663341 is about 40430.9700724581. The cubic root of 1634663341 is about 1177.9931754000.

The spelling of 1634663341 in words is "one billion, six hundred thirty-four million, six hundred sixty-three thousand, three hundred forty-one".