14875296921 has 10 divisors (see below), whose sum is σ = 22221122682. Its totient is φ = 9916864560.

The previous prime is 14875296911. The next prime is 14875296929. The reversal of 14875296921 is 12969257841.

It is a happy number.

14875296921 is a `hidden beast` number, since 1 + 487 + 52 + 96 + 9 + 21 = 666.

It can be written as a sum of positive squares in only one way, i.e., 10122573321 + 4752723600 = 100611^2 + 68940^2 .

It is not a de Polignac number, because 14875296921 - 2¹⁵ = 14875264153 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (14875296929) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 91822740 + ... + 91822901.

Almost surely, 2^14875296921 is an apocalyptic number.

It is an amenable number.

14875296921 is a deficient number, since it is larger than the sum of its proper divisors (7345825761).

14875296921 is an equidigital number, since it uses as much as digits as its factorization.

14875296921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183645653 (or 183645644 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 54.

The spelling of 14875296921 in words is "fourteen billion, eight hundred seventy-five million, two hundred ninety-six thousand, nine hundred twenty-one".