451238989733 has 16 divisors (see below), whose sum is σ = 534301655040. Its totient is φ = 372918394800.

The previous prime is 451238989723. The next prime is 451238989783. The reversal of 451238989733 is 337989832154.

It is a de Polignac number, because none of the positive numbers 2^k-451238989733 is a prime.

It is a super-2 number, since 2×451238989733² (a number of 24 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 (451238989703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3777803 + ... + 3895416.

It is an arithmetic number, because the mean of its divisors is an integer number (33393853440).

Almost surely, 2^451238989733 is an apocalyptic number.

It is an amenable number.

451238989733 is a deficient number, since it is larger than the sum of its proper divisors (83062665307).

451238989733 is a wasteful number, since it uses less digits than its factorization.

451238989733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7673528.

The product of its digits is 39191040, while the sum is 62.

The spelling of 451238989733 in words is "four hundred fifty-one billion, two hundred thirty-eight million, nine hundred eighty-nine thousand, seven hundred thirty-three".