64360045626623 has 4 divisors (see below), whose sum is σ = 64361402593488. Its totient is φ = 64358688659760.

The previous prime is 64360045626599. The next prime is 64360045626673. The reversal of 64360045626623 is 32662654006346.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 64360045626623 - 2¹² = 64360045622527 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 (64360045626673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 678412286 + ... + 678507147.

It is an arithmetic number, because the mean of its divisors is an integer number (16090350648372).

Almost surely, 2^{64360045626623} is an apocalyptic number.

64360045626623 is a deficient number, since it is larger than the sum of its proper divisors (1356966865).

64360045626623 is a wasteful number, since it uses less digits than its factorization.

64360045626623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1356966864.

The product of its (nonzero) digits is 22394880, while the sum is 53.

The spelling of 64360045626623 in words is "sixty-four trillion, three hundred sixty billion, forty-five million, six hundred twenty-six thousand, six hundred twenty-three".