1630502975 has 12 divisors (see below), whose sum is σ = 2022959064. Its totient is φ = 1303669920.

The previous prime is 1630502957. The next prime is 1630502981. The reversal of 1630502975 is 5792050361.

It is a happy number.

It is not a de Polignac number, because 1630502975 - 2⁶ = 1630502911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29552 + ... + 64298.

It is an arithmetic number, because the mean of its divisors is an integer number (168579922).

Almost surely, 2^1630502975 is an apocalyptic number.

1630502975 is a deficient number, since it is larger than the sum of its proper divisors (392456089).

1630502975 is a wasteful number, since it uses less digits than its factorization.

1630502975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36634 (or 36629 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 38.

The square root of 1630502975 is about 40379.4870571680. The cubic root of 1630502975 is about 1176.9929599936.

The spelling of 1630502975 in words is "one billion, six hundred thirty million, five hundred two thousand, nine hundred seventy-five".