451063663653 has 8 divisors (see below), whose sum is σ = 620818806016. Its totient is φ = 291008815200.

The previous prime is 451063663621. The next prime is 451063663667. The reversal of 451063663653 is 356366360154.

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

It is not a de Polignac number, because 451063663653 - 2⁵ = 451063663621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451063663153) 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, 2425073368 + ... + 2425073553.

It is an arithmetic number, because the mean of its divisors is an integer number (77602350752).

Almost surely, 2^451063663653 is an apocalyptic number.

It is an amenable number.

451063663653 is a deficient number, since it is larger than the sum of its proper divisors (169755142363).

451063663653 is a wasteful number, since it uses less digits than its factorization.

451063663653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4850146955.

The product of its (nonzero) digits is 3499200, while the sum is 48.

The spelling of 451063663653 in words is "four hundred fifty-one billion, sixty-three million, six hundred sixty-three thousand, six hundred fifty-three".