641460554507 has 2 divisors, whose sum is σ = 641460554508. Its totient is φ = 641460554506.

The previous prime is 641460554473. The next prime is 641460554519. The reversal of 641460554507 is 705455064146.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 641460554507 - 2¹² = 641460550411 is a prime.

It is a super-2 number, since 2×641460554507² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (641460554807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 320730277253 + 320730277254.

It is an arithmetic number, because the mean of its divisors is an integer number (320730277254).

Almost surely, 2^641460554507 is an apocalyptic number.

641460554507 is a deficient number, since it is larger than the sum of its proper divisors (1).

641460554507 is an equidigital number, since it uses as much as digits as its factorization.

641460554507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016000, while the sum is 47.

The spelling of 641460554507 in words is "six hundred forty-one billion, four hundred sixty million, five hundred fifty-four thousand, five hundred seven".