621253506205153 has 8 divisors (see below), whose sum is σ = 622012317204960. Its totient is φ = 620494946602560.

The previous prime is 621253506204943. The next prime is 621253506205177. The reversal of 621253506205153 is 351502605352126.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 621253506205153 - 2⁴¹ = 619054482949601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (621253506205253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57903643 + ... + 67788928.

It is an arithmetic number, because the mean of its divisors is an integer number (77751539650620).

Almost surely, 2^{621253506205153} is an apocalyptic number.

It is an amenable number.

621253506205153 is a deficient number, since it is larger than the sum of its proper divisors (758810999807).

621253506205153 is a wasteful number, since it uses less digits than its factorization.

621253506205153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125698607.

The product of its (nonzero) digits is 1620000, while the sum is 46.

The spelling of 621253506205153 in words is "six hundred twenty-one trillion, two hundred fifty-three billion, five hundred six million, two hundred five thousand, one hundred fifty-three".