451504205461653 has 32 divisors (see below), whose sum is σ = 639729883286784. Its totient is φ = 282269155464192.

The previous prime is 451504205461607. The next prime is 451504205461679. The reversal of 451504205461653 is 356164502405154.

It is not a de Polignac number, because 451504205461653 - 2²⁶ = 451504138352789 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a junction number, because it is equal to n+sod(n) for n = 451504205461596 and 451504205461605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451504205461853) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 929836576 + ... + 930322022.

It is an arithmetic number, because the mean of its divisors is an integer number (19991558852712).

Almost surely, 2^{451504205461653} is an apocalyptic number.

It is an amenable number.

451504205461653 is a deficient number, since it is larger than the sum of its proper divisors (188225677825131).

451504205461653 is a wasteful number, since it uses less digits than its factorization.

451504205461653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551581.

The product of its (nonzero) digits is 8640000, while the sum is 51.

The spelling of 451504205461653 in words is "four hundred fifty-one trillion, five hundred four billion, two hundred five million, four hundred sixty-one thousand, six hundred fifty-three".