64476370363 has 8 divisors (see below), whose sum is σ = 67890208320. Its totient is φ = 61064566920.

The previous prime is 64476370333. The next prime is 64476370367. The reversal of 64476370363 is 36307367446.

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 64476370363 - 2⁹ = 64476369851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64476370367) 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, 443353 + ... + 570538.

It is an arithmetic number, because the mean of its divisors is an integer number (8486276040).

Almost surely, 2^64476370363 is an apocalyptic number.

64476370363 is a deficient number, since it is larger than the sum of its proper divisors (3413837957).

64476370363 is a wasteful number, since it uses less digits than its factorization.

64476370363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1017257.

The product of its (nonzero) digits is 4572288, while the sum is 49.

The spelling of 64476370363 in words is "sixty-four billion, four hundred seventy-six million, three hundred seventy thousand, three hundred sixty-three".