13406904463936 has 63 divisors (see below), whose sum is σ = 26701460226259. Its totient is φ = 6679066348928.

The previous prime is 13406904463933. The next prime is 13406904463957. The reversal of 13406904463936 is 63936440960431.

The square root of 13406904463936 is 3661544.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×13406904463936² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13406904463933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 10164445485 + ... + 10164446803.

Almost surely, 2^{13406904463936} is an apocalyptic number.

13406904463936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

13406904463936 is the 3661544-th square number.

It is an amenable number.

13406904463936 is a deficient number, since it is larger than the sum of its proper divisors (13294555762323).

13406904463936 is an frugal number, since it uses more digits than its factorization.

13406904463936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3344 (or 1668 counting only the distinct ones).

The product of its (nonzero) digits is 30233088, while the sum is 58.

The spelling of 13406904463936 in words is "thirteen trillion, four hundred six billion, nine hundred four million, four hundred sixty-three thousand, nine hundred thirty-six".