1634325345 has 36 divisors (see below), whose sum is σ = 3009293820. Its totient is φ = 820360704.

The previous prime is 1634325323. The next prime is 1634325347. The reversal of 1634325345 is 5435234361.

It can be written as a sum of positive squares in 6 ways, for example, as 144288144 + 1490037201 = 12012^2 + 38601^2 .

It is not a de Polignac number, because 1634325345 - 2⁸ = 1634325089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1634325347) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 49830 + ... + 75839.

It is an arithmetic number, because the mean of its divisors is an integer number (83591495).

Almost surely, 2^1634325345 is an apocalyptic number.

1634325345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1634325345 is a deficient number, since it is larger than the sum of its proper divisors (1374968475).

1634325345 is a wasteful number, since it uses less digits than its factorization.

1634325345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125714 (or 125694 counting only the distinct ones).

The product of its digits is 129600, while the sum is 36.

The square root of 1634325345 is about 40426.7899418195. The cubic root of 1634325345 is about 1177.9119793893.

The spelling of 1634325345 in words is "one billion, six hundred thirty-four million, three hundred twenty-five thousand, three hundred forty-five".