30253697475 has 36 divisors (see below), whose sum is σ = 51685149528. Its totient is φ = 15614774400.

The previous prime is 30253697431. The next prime is 30253697479. The reversal of 30253697475 is 57479635203.

It is not a de Polignac number, because 30253697475 - 2⁸ = 30253697219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30253697479) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 137802 + ... + 281951.

It is an arithmetic number, because the mean of its divisors is an integer number (1435698598).

Almost surely, 2^30253697475 is an apocalyptic number.

30253697475 is a deficient number, since it is larger than the sum of its proper divisors (21431452053).

30253697475 is a wasteful number, since it uses less digits than its factorization.

30253697475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419828 (or 419792 counting only the distinct ones).

The product of its (nonzero) digits is 4762800, while the sum is 51.

The spelling of 30253697475 in words is "thirty billion, two hundred fifty-three million, six hundred ninety-seven thousand, four hundred seventy-five".