621343323343126 has 96 divisors (see below), whose sum is σ = 1055016925142400. Its totient is φ = 272727877443840.

The previous prime is 621343323343111. The next prime is 621343323343133.

621343323343126 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1364705145 + ... + 1365160363.

It is an arithmetic number, because the mean of its divisors is an integer number (10989759636900).

Almost surely, 2^{621343323343126} is an apocalyptic number.

621343323343126 is a deficient number, since it is larger than the sum of its proper divisors (433673601799274).

621343323343126 is a wasteful number, since it uses less digits than its factorization.

621343323343126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455642 (or 455515 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 46.

The spelling of 621343323343126 in words is "six hundred twenty-one trillion, three hundred forty-three billion, three hundred twenty-three million, three hundred forty-three thousand, one hundred twenty-six".