30575747457 has 16 divisors (see below), whose sum is σ = 45388200000. Its totient is φ = 20342973312.

The previous prime is 30575747437. The next prime is 30575747471. The reversal of 30575747457 is 75474757503.

It is not a de Polignac number, because 30575747457 - 2¹⁹ = 30575223169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30575747407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1121232 + ... + 1148177.

It is an arithmetic number, because the mean of its divisors is an integer number (2836762500).

Almost surely, 2^30575747457 is an apocalyptic number.

It is an amenable number.

30575747457 is a deficient number, since it is larger than the sum of its proper divisors (14812452543).

30575747457 is a wasteful number, since it uses less digits than its factorization.

30575747457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2269917 (or 2269911 counting only the distinct ones).

The product of its (nonzero) digits is 14406000, while the sum is 54.

The spelling of 30575747457 in words is "thirty billion, five hundred seventy-five million, seven hundred forty-seven thousand, four hundred fifty-seven".