30253697474 has 32 divisors (see below), whose sum is σ = 60930527616. Its totient is φ = 10880449920.

The previous prime is 30253697431. The next prime is 30253697479. The reversal of 30253697474 is 47479635203.

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 15 ways as a sum of consecutive naturals, for example, 7553867 + ... + 7557870.

It is an arithmetic number, because the mean of its divisors is an integer number (1904078988).

Almost surely, 2^30253697474 is an apocalyptic number.

30253697474 is an abundant number, since it is smaller than the sum of its proper divisors (30676830142).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30253697474 is a wasteful number, since it uses less digits than its factorization.

30253697474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15111770.

The product of its (nonzero) digits is 3810240, while the sum is 50.

It can be divided in two parts, 30253 and 697474, that added together give a palindrome (727727).

The spelling of 30253697474 in words is "thirty billion, two hundred fifty-three million, six hundred ninety-seven thousand, four hundred seventy-four".