622713834644126 has 4 divisors (see below), whose sum is σ = 934070751966192. Its totient is φ = 311356917322062.

The previous prime is 622713834644119. The next prime is 622713834644137. The reversal of 622713834644126 is 621446438317226.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155678458661030 + ... + 155678458661033.

It is an arithmetic number, because the mean of its divisors is an integer number (233517687991548).

Almost surely, 2^{622713834644126} is an apocalyptic number.

622713834644126 is a deficient number, since it is larger than the sum of its proper divisors (311356917322066).

622713834644126 is a wasteful number, since it uses less digits than its factorization.

622713834644126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311356917322065.

The product of its digits is 55738368, while the sum is 59.

The spelling of 622713834644126 in words is "six hundred twenty-two trillion, seven hundred thirteen billion, eight hundred thirty-four million, six hundred forty-four thousand, one hundred twenty-six".