30315891764 has 48 divisors (see below), whose sum is σ = 54522756288. Its totient is φ = 14745389568.

The previous prime is 30315891763. The next prime is 30315891817. The reversal of 30315891764 is 46719851303.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30315891763) 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, 5887439 + ... + 5892585.

It is an arithmetic number, because the mean of its divisors is an integer number (1135890756).

Almost surely, 2^30315891764 is an apocalyptic number.

It is an amenable number.

30315891764 is a deficient number, since it is larger than the sum of its proper divisors (24206864524).

30315891764 is a wasteful number, since it uses less digits than its factorization.

30315891764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5504 (or 5502 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 47.

The spelling of 30315891764 in words is "thirty billion, three hundred fifteen million, eight hundred ninety-one thousand, seven hundred sixty-four".