621850079411 has 24 divisors (see below), whose sum is σ = 719916722352. Its totient is φ = 532295841600.

The previous prime is 621850079381. The next prime is 621850079491. The reversal of 621850079411 is 114970058126.

It is not a de Polignac number, because 621850079411 - 2¹⁰ = 621850078387 is a prime.

It is a super-2 number, since 2×621850079411² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (621850079491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 403820 + ... + 1186073.

It is an arithmetic number, because the mean of its divisors is an integer number (29996530098).

Almost surely, 2^621850079411 is an apocalyptic number.

621850079411 is a deficient number, since it is larger than the sum of its proper divisors (98066642941).

621850079411 is a wasteful number, since it uses less digits than its factorization.

621850079411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1590003 (or 1589972 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 44.

The spelling of 621850079411 in words is "six hundred twenty-one billion, eight hundred fifty million, seventy-nine thousand, four hundred eleven".