30657125007 has 6 divisors (see below), whose sum is σ = 44282513912. Its totient is φ = 20438083332.

The previous prime is 30657124997. The next prime is 30657125011. The reversal of 30657125007 is 70052175603.

30657125007 is a `hidden beast` number, since 30 + 6 + 571 + 2 + 50 + 0 + 7 = 666.

It is not a de Polignac number, because 30657125007 - 2¹⁶ = 30657059471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30657125087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1703173603 + ... + 1703173620.

Almost surely, 2^30657125007 is an apocalyptic number.

30657125007 is a deficient number, since it is larger than the sum of its proper divisors (13625388905).

30657125007 is a wasteful number, since it uses less digits than its factorization.

30657125007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3406347229 (or 3406347226 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 36.

The spelling of 30657125007 in words is "thirty billion, six hundred fifty-seven million, one hundred twenty-five thousand, seven".