621702673107 has 8 divisors (see below), whose sum is σ = 829372958160. Its totient is φ = 414250418400.

The previous prime is 621702673091. The next prime is 621702673181. The reversal of 621702673107 is 701376207126.

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

It is not a de Polignac number, because 621702673107 - 2⁴ = 621702673091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (621702673807) 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 7 ways as a sum of consecutive naturals, for example, 54500932 + ... + 54512337.

It is an arithmetic number, because the mean of its divisors is an integer number (103671619770).

Almost surely, 2^621702673107 is an apocalyptic number.

621702673107 is a deficient number, since it is larger than the sum of its proper divisors (207670285053).

621702673107 is a wasteful number, since it uses less digits than its factorization.

621702673107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109015173.

The product of its (nonzero) digits is 148176, while the sum is 42.

The spelling of 621702673107 in words is "six hundred twenty-one billion, seven hundred two million, six hundred seventy-three thousand, one hundred seven".