621304468111 has 16 divisors (see below), whose sum is σ = 626716657728. Its totient is φ = 615916038400.

The previous prime is 621304468007. The next prime is 621304468163. The reversal of 621304468111 is 111864403126.

It is a cyclic number.

It is not a de Polignac number, because 621304468111 - 2³⁵ = 586944729743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (621304468171) 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 15 ways as a sum of consecutive naturals, for example, 91891971 + ... + 91898731.

It is an arithmetic number, because the mean of its divisors is an integer number (39169791108).

Almost surely, 2^621304468111 is an apocalyptic number.

621304468111 is a deficient number, since it is larger than the sum of its proper divisors (5412189617).

621304468111 is a wasteful number, since it uses less digits than its factorization.

621304468111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8402.

The product of its (nonzero) digits is 27648, while the sum is 37.

The spelling of 621304468111 in words is "six hundred twenty-one billion, three hundred four million, four hundred sixty-eight thousand, one hundred eleven".