1040562362621 has 2 divisors, whose sum is σ = 1040562362622. Its totient is φ = 1040562362620.

The previous prime is 1040562362611. The next prime is 1040562362627. The reversal of 1040562362621 is 1262632650401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 719595924100 + 320966438521 = 848290^2 + 566539^2 .

It is a cyclic number.

It is not a de Polignac number, because 1040562362621 - 2¹⁴ = 1040562346237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1040562362627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520281181310 + 520281181311.

It is an arithmetic number, because the mean of its divisors is an integer number (520281181311).

Almost surely, 2^{1040562362621} is an apocalyptic number.

It is an amenable number.

1040562362621 is a deficient number, since it is larger than the sum of its proper divisors (1).

1040562362621 is an equidigital number, since it uses as much as digits as its factorization.

1040562362621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 1040562362621 in words is "one trillion, forty billion, five hundred sixty-two million, three hundred sixty-two thousand, six hundred twenty-one".