621034768106 has 8 divisors (see below), whose sum is σ = 954272936484. Its totient is φ = 302943789280.

The previous prime is 621034768069. The next prime is 621034768117. The reversal of 621034768106 is 601867430126.

It can be written as a sum of positive squares in 2 ways, for example, as 562402504225 + 58632263881 = 749935^2 + 242141^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3786797285 + ... + 3786797448.

Almost surely, 2^621034768106 is an apocalyptic number.

621034768106 is a deficient number, since it is larger than the sum of its proper divisors (333238168378).

621034768106 is a wasteful number, since it uses less digits than its factorization.

621034768106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7573594776.

The product of its (nonzero) digits is 290304, while the sum is 44.

The spelling of 621034768106 in words is "six hundred twenty-one billion, thirty-four million, seven hundred sixty-eight thousand, one hundred six".