641427224415 has 16 divisors (see below), whose sum is σ = 1035699007200. Its totient is φ = 338956036992.

The previous prime is 641427224407. The next prime is 641427224423. The reversal of 641427224415 is 514422724146.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (641427224407) and next prime (641427224423).

It is not a de Polignac number, because 641427224415 - 2³ = 641427224407 is a prime.

It is a super-2 number, since 2×641427224415² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196153480 + ... + 196156749.

It is an arithmetic number, because the mean of its divisors is an integer number (64731187950).

Almost surely, 2^641427224415 is an apocalyptic number.

641427224415 is a deficient number, since it is larger than the sum of its proper divisors (394271782785).

641427224415 is a wasteful number, since it uses less digits than its factorization.

641427224415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392310346.

The product of its digits is 430080, while the sum is 42.

The spelling of 641427224415 in words is "six hundred forty-one billion, four hundred twenty-seven million, two hundred twenty-four thousand, four hundred fifteen".