655520070641 has 2 divisors, whose sum is σ = 655520070642. Its totient is φ = 655520070640.

The previous prime is 655520070577. The next prime is 655520070731. The reversal of 655520070641 is 146070025556.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 605937696400 + 49582374241 = 778420^2 + 222671^2 .

It is a cyclic number.

It is not a de Polignac number, because 655520070641 - 2⁶ = 655520070577 is a prime.

It is not a weakly prime, because it can be changed into another prime (655520070241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327760035320 + 327760035321.

It is an arithmetic number, because the mean of its divisors is an integer number (327760035321).

Almost surely, 2^655520070641 is an apocalyptic number.

It is an amenable number.

655520070641 is a deficient number, since it is larger than the sum of its proper divisors (1).

655520070641 is an equidigital number, since it uses as much as digits as its factorization.

655520070641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252000, while the sum is 41.

The spelling of 655520070641 in words is "six hundred fifty-five billion, five hundred twenty million, seventy thousand, six hundred forty-one".