14921764049 has 2 divisors, whose sum is σ = 14921764050. Its totient is φ = 14921764048.

The previous prime is 14921764007. The next prime is 14921764129. The reversal of 14921764049 is 94046712941.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11743623424 + 3178140625 = 108368^2 + 56375^2 .

It is a cyclic number.

It is not a de Polignac number, because 14921764049 - 2³² = 10626796753 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 14921763994 and 14921764012.

It is not a weakly prime, because it can be changed into another prime (14921734049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7460882024 + 7460882025.

It is an arithmetic number, because the mean of its divisors is an integer number (7460882025).

Almost surely, 2^14921764049 is an apocalyptic number.

It is an amenable number.

14921764049 is a deficient number, since it is larger than the sum of its proper divisors (1).

14921764049 is an equidigital number, since it uses as much as digits as its factorization.

14921764049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 435456, while the sum is 47.

The spelling of 14921764049 in words is "fourteen billion, nine hundred twenty-one million, seven hundred sixty-four thousand, forty-nine".