621619190227 has 12 divisors (see below), whose sum is σ = 727103120016. Its totient is φ = 529872703920.

The previous prime is 621619190219. The next prime is 621619190263. The reversal of 621619190227 is 722091916126.

It is not a de Polignac number, because 621619190227 - 2³ = 621619190219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (621619190267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35035623 + ... + 35053360.

It is an arithmetic number, because the mean of its divisors is an integer number (60591926668).

Almost surely, 2^621619190227 is an apocalyptic number.

621619190227 is a deficient number, since it is larger than the sum of its proper divisors (105483929789).

621619190227 is a wasteful number, since it uses less digits than its factorization.

621619190227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70089178 (or 70089171 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 46.

The spelling of 621619190227 in words is "six hundred twenty-one billion, six hundred nineteen million, one hundred ninety thousand, two hundred twenty-seven".