451712639530 has 16 divisors (see below), whose sum is σ = 813106395360. Its totient is φ = 180679801552.

The previous prime is 451712639507. The next prime is 451712639557. The reversal of 451712639530 is 35936217154.

It is a super-2 number, since 2×451712639530² (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, 285724 + ... + 992503.

It is an arithmetic number, because the mean of its divisors is an integer number (50819149710).

Almost surely, 2^451712639530 is an apocalyptic number.

451712639530 is a deficient number, since it is larger than the sum of its proper divisors (361393755830).

451712639530 is a wasteful number, since it uses less digits than its factorization.

451712639530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313573.

The product of its (nonzero) digits is 680400, while the sum is 46.

The spelling of 451712639530 in words is "four hundred fifty-one billion, seven hundred twelve million, six hundred thirty-nine thousand, five hundred thirty".