451045406450521 has 8 divisors (see below), whose sum is σ = 461768381591040. Its totient is φ = 440369358991968.

The previous prime is 451045406450519. The next prime is 451045406450537. The reversal of 451045406450521 is 125054604540154.

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

It is a cyclic number.

It is not a de Polignac number, because 451045406450521 - 2¹ = 451045406450519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (451045406450501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11731901041 + ... + 11731939486.

It is an arithmetic number, because the mean of its divisors is an integer number (57721047698880).

Almost surely, 2^{451045406450521} is an apocalyptic number.

It is an amenable number.

451045406450521 is a deficient number, since it is larger than the sum of its proper divisors (10722975140519).

451045406450521 is a wasteful number, since it uses less digits than its factorization.

451045406450521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23463840983.

The product of its (nonzero) digits is 1920000, while the sum is 46.

The spelling of 451045406450521 in words is "four hundred fifty-one trillion, forty-five billion, four hundred six million, four hundred fifty thousand, five hundred twenty-one".