738466664836 has 12 divisors (see below), whose sum is σ = 1292336360028. Its totient is φ = 369227704832.

The previous prime is 738466664731. The next prime is 738466664861. The reversal of 738466664836 is 638466664837.

It can be written as a sum of positive squares in 2 ways, for example, as 603020583936 + 135446080900 = 776544^2 + 368030^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1104421 + ... + 1642156.

It is an arithmetic number, because the mean of its divisors is an integer number (107694696669).

Almost surely, 2^738466664836 is an apocalyptic number.

It is an amenable number.

738466664836 is a deficient number, since it is larger than the sum of its proper divisors (553869695192).

738466664836 is a wasteful number, since it uses less digits than its factorization.

738466664836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2813798 (or 2813796 counting only the distinct ones).

The product of its digits is 501645312, while the sum is 67.

Subtracting from 738466664836 its reverse (638466664837), we obtain a palindrome (99999999999).

The spelling of 738466664836 in words is "seven hundred thirty-eight billion, four hundred sixty-six million, six hundred sixty-four thousand, eight hundred thirty-six".