2642567650057 has 2 divisors, whose sum is σ = 2642567650058. Its totient is φ = 2642567650056.

The previous prime is 2642567650027. The next prime is 2642567650091. The reversal of 2642567650057 is 7500567652462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2120273805456 + 522293844601 = 1456116^2 + 722699^2 .

It is a cyclic number.

It is not a de Polignac number, because 2642567650057 - 2¹⁵ = 2642567617289 is a prime.

It is not a weakly prime, because it can be changed into another prime (2642567650027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1321283825028 + 1321283825029.

It is an arithmetic number, because the mean of its divisors is an integer number (1321283825029).

Almost surely, 2^{2642567650057} is an apocalyptic number.

It is an amenable number.

2642567650057 is a deficient number, since it is larger than the sum of its proper divisors (1).

2642567650057 is an equidigital number, since it uses as much as digits as its factorization.

2642567650057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168000, while the sum is 55.

The spelling of 2642567650057 in words is "two trillion, six hundred forty-two billion, five hundred sixty-seven million, six hundred fifty thousand, fifty-seven".