52014164021 has 2 divisors, whose sum is σ = 52014164022. Its totient is φ = 52014164020.

The previous prime is 52014164017. The next prime is 52014164093. The reversal of 52014164021 is 12046141025.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43353069796 + 8661094225 = 208214^2 + 93065^2 .

It is a cyclic number.

It is not a de Polignac number, because 52014164021 - 2² = 52014164017 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52014164011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26007082010 + 26007082011.

It is an arithmetic number, because the mean of its divisors is an integer number (26007082011).

Almost surely, 2^52014164021 is an apocalyptic number.

It is an amenable number.

52014164021 is a deficient number, since it is larger than the sum of its proper divisors (1).

52014164021 is an equidigital number, since it uses as much as digits as its factorization.

52014164021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 26.

The spelling of 52014164021 in words is "fifty-two billion, fourteen million, one hundred sixty-four thousand, twenty-one".