14959794769921 has 16 divisors (see below), whose sum is σ = 15309455880960. Its totient is φ = 14611455882880.

The previous prime is 14959794769919. The next prime is 14959794770021. The reversal of 14959794769921 is 12996749795941.

It is a cyclic number.

It is not a de Polignac number, because 14959794769921 - 2¹ = 14959794769919 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14959794764921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92476710 + ... + 92638336.

It is an arithmetic number, because the mean of its divisors is an integer number (956840992560).

Almost surely, 2^{14959794769921} is an apocalyptic number.

It is an amenable number.

14959794769921 is a deficient number, since it is larger than the sum of its proper divisors (349661111039).

14959794769921 is a wasteful number, since it uses less digits than its factorization.

14959794769921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165704.

The product of its digits is 2777664960, while the sum is 82.

The spelling of 14959794769921 in words is "fourteen trillion, nine hundred fifty-nine billion, seven hundred ninety-four million, seven hundred sixty-nine thousand, nine hundred twenty-one".