64601245623 has 8 divisors (see below), whose sum is σ = 86331203200. Its totient is φ = 42969392568.

The previous prime is 64601245603. The next prime is 64601245627. The reversal of 64601245623 is 32654210646.

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

It is not a de Polignac number, because 64601245623 - 2⁵ = 64601245591 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 (64601245627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24524593 + ... + 24527226.

It is an arithmetic number, because the mean of its divisors is an integer number (10791400400).

Almost surely, 2^64601245623 is an apocalyptic number.

64601245623 is a deficient number, since it is larger than the sum of its proper divisors (21729957577).

64601245623 is a wasteful number, since it uses less digits than its factorization.

64601245623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49052261.

The product of its (nonzero) digits is 207360, while the sum is 39.

The spelling of 64601245623 in words is "sixty-four billion, six hundred one million, two hundred forty-five thousand, six hundred twenty-three".