641410555 has 16 divisors (see below), whose sum is σ = 775906560. Its totient is φ = 509004288.

The previous prime is 641410541. The next prime is 641410571. The reversal of 641410555 is 555014146.

It is a cyclic number.

It is not a de Polignac number, because 641410555 - 2⁹ = 641410043 is a prime.

It is a super-3 number, since 3×641410555³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 363766 + ... + 365524.

It is an arithmetic number, because the mean of its divisors is an integer number (48494160).

Almost surely, 2^641410555 is an apocalyptic number.

641410555 is a deficient number, since it is larger than the sum of its proper divisors (134496005).

641410555 is a wasteful number, since it uses less digits than its factorization.

641410555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2310.

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 641410555 is about 25326.0844782607. The cubic root of 641410555 is about 862.4065257518.

The spelling of 641410555 in words is "six hundred forty-one million, four hundred ten thousand, five hundred fifty-five".