64302453564 has 48 divisors (see below), whose sum is σ = 151323648000. Its totient is φ = 21250869696.

The previous prime is 64302453547. The next prime is 64302453569. The reversal of 64302453564 is 46535420346.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64302453569) 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, 2347057 + ... + 2374295.

It is an arithmetic number, because the mean of its divisors is an integer number (3152576000).

Almost surely, 2^64302453564 is an apocalyptic number.

It is an amenable number.

64302453564 is an abundant number, since it is smaller than the sum of its proper divisors (87021194436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64302453564 is a wasteful number, since it uses less digits than its factorization.

64302453564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28922 (or 28920 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 42.

The spelling of 64302453564 in words is "sixty-four billion, three hundred two million, four hundred fifty-three thousand, five hundred sixty-four".