13970641456 has 20 divisors (see below), whose sum is σ = 27149904904. Its totient is φ = 6964214400.

The previous prime is 13970641441. The next prime is 13970641457. The reversal of 13970641456 is 65414607931.

It is not an unprimeable number, because it can be changed into a prime (13970641457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1313685 + ... + 1324276.

Almost surely, 2^13970641456 is an apocalyptic number.

13970641456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13970641456 is a deficient number, since it is larger than the sum of its proper divisors (13179263448).

13970641456 is a wasteful number, since it uses less digits than its factorization.

13970641456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2638300 (or 2638294 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 46.

The spelling of 13970641456 in words is "thirteen billion, nine hundred seventy million, six hundred forty-one thousand, four hundred fifty-six".