451923303738 has 16 divisors (see below), whose sum is σ = 904360469760. Its totient is φ = 150555457536.

The previous prime is 451923303721. The next prime is 451923303749. The reversal of 451923303738 is 837303329154.

It is a super-2 number, since 2×451923303738² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21399495 + ... + 21420602.

It is an arithmetic number, because the mean of its divisors is an integer number (56522529360).

Almost surely, 2^451923303738 is an apocalyptic number.

451923303738 is an abundant number, since it is smaller than the sum of its proper divisors (452437166022).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

451923303738 is a wasteful number, since it uses less digits than its factorization.

451923303738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42821861.

The product of its (nonzero) digits is 1632960, while the sum is 48.

The spelling of 451923303738 in words is "four hundred fifty-one billion, nine hundred twenty-three million, three hundred three thousand, seven hundred thirty-eight".