19339956964 has 6 divisors (see below), whose sum is σ = 33844924694. Its totient is φ = 9669978480.

The previous prime is 19339956917. The next prime is 19339956967. The reversal of 19339956964 is 46965993391.

It can be written as a sum of positive squares in only one way, i.e., 14699622564 + 4640334400 = 121242^2 + 68120^2 .

It is a junction number, because it is equal to n+sod(n) for n = 19339956896 and 19339956905.

It is not an unprimeable number, because it can be changed into a prime (19339956967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2417494617 + ... + 2417494624.

Almost surely, 2^19339956964 is an apocalyptic number.

It is an amenable number.

19339956964 is a deficient number, since it is larger than the sum of its proper divisors (14504967730).

19339956964 is a wasteful number, since it uses less digits than its factorization.

19339956964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4834989245 (or 4834989243 counting only the distinct ones).

The product of its digits is 42515280, while the sum is 64.

The spelling of 19339956964 in words is "nineteen billion, three hundred thirty-nine million, nine hundred fifty-six thousand, nine hundred sixty-four".