451653022261 has 16 divisors (see below), whose sum is σ = 542879013888. Its totient is φ = 367574313600.

The previous prime is 451653022253. The next prime is 451653022273. The reversal of 451653022261 is 162220356154.

It is a cyclic number.

It is not a de Polignac number, because 451653022261 - 2³ = 451653022253 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 451653022261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451653022241) 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, 19623880 + ... + 19646881.

It is an arithmetic number, because the mean of its divisors is an integer number (33929938368).

Almost surely, 2^451653022261 is an apocalyptic number.

It is an amenable number.

451653022261 is a deficient number, since it is larger than the sum of its proper divisors (91225991627).

451653022261 is a wasteful number, since it uses less digits than its factorization.

451653022261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39270852.

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 451653022261 in words is "four hundred fifty-one billion, six hundred fifty-three million, twenty-two thousand, two hundred sixty-one".