621045511104134 has 32 divisors (see below), whose sum is σ = 1023592795879680. Its totient is φ = 281290064422752.

The previous prime is 621045511104121. The next prime is 621045511104217. The reversal of 621045511104134 is 431401115540126.

It is a Harshad number since it is a multiple of its sum of digits (38).

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, 122485037 + ... + 127454600.

It is an arithmetic number, because the mean of its divisors is an integer number (31987274871240).

Almost surely, 2^{621045511104134} is an apocalyptic number.

621045511104134 is a deficient number, since it is larger than the sum of its proper divisors (402547284775546).

621045511104134 is a wasteful number, since it uses less digits than its factorization.

621045511104134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249942524.

The product of its (nonzero) digits is 57600, while the sum is 38.

The spelling of 621045511104134 in words is "six hundred twenty-one trillion, forty-five billion, five hundred eleven million, one hundred four thousand, one hundred thirty-four".