30575625641 has 12 divisors (see below), whose sum is σ = 34242037956. Its totient is φ = 27271564320.

The previous prime is 30575625601. The next prime is 30575625659. The reversal of 30575625641 is 14652657503.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8731968025 + 21843657616 = 93445^2 + 147796^2 .

It is not a de Polignac number, because 30575625641 - 2²⁶ = 30508516777 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30575625592 and 30575625601.

It is not an unprimeable number, because it can be changed into a prime (30575625601) 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, 2377466 + ... + 2390291.

It is an arithmetic number, because the mean of its divisors is an integer number (2853503163).

Almost surely, 2^30575625641 is an apocalyptic number.

It is an amenable number.

30575625641 is a deficient number, since it is larger than the sum of its proper divisors (3666412315).

30575625641 is a wasteful number, since it uses less digits than its factorization.

30575625641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4767832 (or 4767821 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 44.

The spelling of 30575625641 in words is "thirty billion, five hundred seventy-five million, six hundred twenty-five thousand, six hundred forty-one".