30644289964 has 12 divisors (see below), whose sum is σ = 56782066824. Its totient is φ = 14420842304.

The previous prime is 30644289953. The next prime is 30644289967. The reversal of 30644289964 is 46998244603.

It is a super-2 number, since 2×30644289964² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30644289967) 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, 225325594 + ... + 225325729.

It is an arithmetic number, because the mean of its divisors is an integer number (4731838902).

Almost surely, 2^30644289964 is an apocalyptic number.

30644289964 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

30644289964 is a deficient number, since it is larger than the sum of its proper divisors (26137776860).

30644289964 is a wasteful number, since it uses less digits than its factorization.

30644289964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450651344 (or 450651342 counting only the distinct ones).

The product of its (nonzero) digits is 8957952, while the sum is 55.

The spelling of 30644289964 in words is "thirty billion, six hundred forty-four million, two hundred eighty-nine thousand, nine hundred sixty-four".