52621682268691 has 2 divisors, whose sum is σ = 52621682268692. Its totient is φ = 52621682268690.

The previous prime is 52621682268647. The next prime is 52621682268733. The reversal of 52621682268691 is 19686228612625.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52621682268691 - 2¹⁵ = 52621682235923 is a prime.

It is not a weakly prime, because it can be changed into another prime (52621682266691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26310841134345 + 26310841134346.

It is an arithmetic number, because the mean of its divisors is an integer number (26310841134346).

Almost surely, 2^{52621682268691} is an apocalyptic number.

52621682268691 is a deficient number, since it is larger than the sum of its proper divisors (1).

52621682268691 is an equidigital number, since it uses as much as digits as its factorization.

52621682268691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 59719680, while the sum is 64.

The spelling of 52621682268691 in words is "fifty-two trillion, six hundred twenty-one billion, six hundred eighty-two million, two hundred sixty-eight thousand, six hundred ninety-one".