14938868729665 has 32 divisors (see below), whose sum is σ = 18258672579840. Its totient is φ = 11731073612544.

The previous prime is 14938868729641. The next prime is 14938868729723. The reversal of 14938868729665 is 56692786883941.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 14938868729665 - 2¹³ = 14938868721473 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 117147079 + ... + 117274531.

It is an arithmetic number, because the mean of its divisors is an integer number (570583518120).

Almost surely, 2^{14938868729665} is an apocalyptic number.

It is an amenable number.

14938868729665 is a deficient number, since it is larger than the sum of its proper divisors (3319803850175).

14938868729665 is a wasteful number, since it uses less digits than its factorization.

14938868729665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128761.

The product of its digits is 7524679680, while the sum is 82.

The spelling of 14938868729665 in words is "fourteen trillion, nine hundred thirty-eight billion, eight hundred sixty-eight million, seven hundred twenty-nine thousand, six hundred sixty-five".