14374921665 has 32 divisors (see below), whose sum is σ = 24774865920. Its totient is φ = 7075236096.

The previous prime is 14374921663. The next prime is 14374921667. The reversal of 14374921665 is 56612947341.

It is an interprime number because it is at equal distance from previous prime (14374921663) and next prime (14374921667).

It is not a de Polignac number, because 14374921665 - 2¹ = 14374921663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14374921663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1661571 + ... + 1670199.

It is an arithmetic number, because the mean of its divisors is an integer number (774214560).

Almost surely, 2^14374921665 is an apocalyptic number.

14374921665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

14374921665 is a deficient number, since it is larger than the sum of its proper divisors (10399944255).

14374921665 is a wasteful number, since it uses less digits than its factorization.

14374921665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17193.

The product of its digits is 1088640, while the sum is 48.

The spelling of 14374921665 in words is "fourteen billion, three hundred seventy-four million, nine hundred twenty-one thousand, six hundred sixty-five".