621893820119 has 32 divisors (see below), whose sum is σ = 747705530880. Its totient is φ = 509797411200.

The previous prime is 621893820113. The next prime is 621893820143. The reversal of 621893820119 is 911028398126.

It is not a de Polignac number, because 621893820119 - 2¹² = 621893816023 is a prime.

It is a super-2 number, since 2×621893820119² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (621893820113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 825704 + ... + 1387650.

It is an arithmetic number, because the mean of its divisors is an integer number (23365797840).

Almost surely, 2^621893820119 is an apocalyptic number.

621893820119 is a deficient number, since it is larger than the sum of its proper divisors (125811710761).

621893820119 is a wasteful number, since it uses less digits than its factorization.

621893820119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562151.

The product of its (nonzero) digits is 373248, while the sum is 50.

The spelling of 621893820119 in words is "six hundred twenty-one billion, eight hundred ninety-three million, eight hundred twenty thousand, one hundred nineteen".