641405224252134 has 24 divisors (see below), whose sum is σ = 1407302601737760. Its totient is φ = 211095390259728.

The previous prime is 641405224252099. The next prime is 641405224252141. The reversal of 641405224252134 is 431252422504146.

641405224252134 is a `hidden beast` number, since 6 + 4 + 1 + 4 + 0 + 5 + 2 + 2 + 425 + 213 + 4 = 666.

641405224252134 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×641405224252134² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 641405224252134.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 225529261677 + ... + 225529264520.

It is an arithmetic number, because the mean of its divisors is an integer number (58637608405740).

Almost surely, 2^{641405224252134} is an apocalyptic number.

641405224252134 is an abundant number, since it is smaller than the sum of its proper divisors (765897377485626).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

641405224252134 is a wasteful number, since it uses less digits than its factorization.

641405224252134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451058526284 (or 451058526281 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 45.

The spelling of 641405224252134 in words is "six hundred forty-one trillion, four hundred five billion, two hundred twenty-four million, two hundred fifty-two thousand, one hundred thirty-four".