451543253611604 has 48 divisors (see below), whose sum is σ = 1006146669588480. Its totient is φ = 172182837790560.

The previous prime is 451543253611579. The next prime is 451543253611661. The reversal of 451543253611604 is 406116352345154.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15596257064 + ... + 15596286015.

It is an arithmetic number, because the mean of its divisors is an integer number (20961388949760).

Almost surely, 2^{451543253611604} is an apocalyptic number.

451543253611604 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

451543253611604 is an abundant number, since it is smaller than the sum of its proper divisors (554603415976876).

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

451543253611604 is a wasteful number, since it uses less digits than its factorization.

451543253611604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31192543148 (or 31192543146 counting only the distinct ones).

The product of its (nonzero) digits is 5184000, while the sum is 50.

The spelling of 451543253611604 in words is "four hundred fifty-one trillion, five hundred forty-three billion, two hundred fifty-three million, six hundred eleven thousand, six hundred four".