664414312453 has 8 divisors (see below), whose sum is σ = 680895532800. Its totient is φ = 647946234720.

The previous prime is 664414312381. The next prime is 664414312481. The reversal of 664414312453 is 354213414466.

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 664414312453 - 2²¹ = 664412215301 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 (664414312483) 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, 3183253 + ... + 3385546.

It is an arithmetic number, because the mean of its divisors is an integer number (85111941600).

Almost surely, 2^664414312453 is an apocalyptic number.

It is an amenable number.

664414312453 is a deficient number, since it is larger than the sum of its proper divisors (16481220347).

664414312453 is a wasteful number, since it uses less digits than its factorization.

664414312453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6571307.

The product of its digits is 829440, while the sum is 43.

The spelling of 664414312453 in words is "six hundred sixty-four billion, four hundred fourteen million, three hundred twelve thousand, four hundred fifty-three".