641460554767 has 2 divisors, whose sum is σ = 641460554768. Its totient is φ = 641460554766.

The previous prime is 641460554759. The next prime is 641460554807. The reversal of 641460554767 is 767455064146.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 641460554767 - 2³ = 641460554759 is a prime.

It is a super-2 number, since 2×641460554767² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (641460555767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 320730277383 + 320730277384.

It is an arithmetic number, because the mean of its divisors is an integer number (320730277384).

Almost surely, 2^641460554767 is an apocalyptic number.

641460554767 is a deficient number, since it is larger than the sum of its proper divisors (1).

641460554767 is an equidigital number, since it uses as much as digits as its factorization.

641460554767 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16934400, while the sum is 55.

The spelling of 641460554767 in words is "six hundred forty-one billion, four hundred sixty million, five hundred fifty-four thousand, seven hundred sixty-seven".