621407056034 has 8 divisors (see below), whose sum is σ = 932825945280. Its totient is φ = 310465074276.

The previous prime is 621407056027. The next prime is 621407056037. The reversal of 621407056034 is 430650704126.

It is a happy number.

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

It is a super-2 number, since 2×621407056034² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (621407056037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119223614 + ... + 119228825.

It is an arithmetic number, because the mean of its divisors is an integer number (116603243160).

Almost surely, 2^621407056034 is an apocalyptic number.

621407056034 is a deficient number, since it is larger than the sum of its proper divisors (311418889246).

621407056034 is a wasteful number, since it uses less digits than its factorization.

621407056034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238453744.

The product of its (nonzero) digits is 120960, while the sum is 38.

The spelling of 621407056034 in words is "six hundred twenty-one billion, four hundred seven million, fifty-six thousand, thirty-four".