30526660641 has 4 divisors (see below), whose sum is σ = 40702214192. Its totient is φ = 20351107092.

The previous prime is 30526660613. The next prime is 30526660699. The reversal of 30526660641 is 14606662503.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 30526660641 - 2⁷ = 30526660513 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30526660641.

It is not an unprimeable number, because it can be changed into a prime (30526660141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5087776771 + ... + 5087776776.

It is an arithmetic number, because the mean of its divisors is an integer number (10175553548).

Almost surely, 2^30526660641 is an apocalyptic number.

It is an amenable number.

30526660641 is a deficient number, since it is larger than the sum of its proper divisors (10175553551).

30526660641 is a wasteful number, since it uses less digits than its factorization.

30526660641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10175553550.

The product of its (nonzero) digits is 155520, while the sum is 39.

The spelling of 30526660641 in words is "thirty billion, five hundred twenty-six million, six hundred sixty thousand, six hundred forty-one".