621226146642031 has 8 divisors (see below), whose sum is σ = 740841118977024. Its totient is φ = 509328269296440.

The previous prime is 621226146641987. The next prime is 621226146642037. The reversal of 621226146642031 is 130246641622126.

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 621226146642031 - 2¹⁹ = 621226146117743 is a prime.

It is a super-2 number, since 2×621226146642031² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (621226146642037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1929273747175 + ... + 1929273747496.

It is an arithmetic number, because the mean of its divisors is an integer number (92605139872128).

Almost surely, 2^{621226146642031} is an apocalyptic number.

621226146642031 is a deficient number, since it is larger than the sum of its proper divisors (119614972334993).

621226146642031 is a wasteful number, since it uses less digits than its factorization.

621226146642031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3858547494701.

The product of its (nonzero) digits is 995328, while the sum is 46.

The spelling of 621226146642031 in words is "six hundred twenty-one trillion, two hundred twenty-six billion, one hundred forty-six million, six hundred forty-two thousand, thirty-one".