62644364216623 has 8 divisors (see below), whose sum is σ = 72288642203648. Its totient is φ = 53173857004344.

The previous prime is 62644364216569. The next prime is 62644364216743. The reversal of 62644364216623 is 32661246344626.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-62644364216623 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 (62644364216023) 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, 43442692911 + ... + 43442694352.

It is an arithmetic number, because the mean of its divisors is an integer number (9036080275456).

Almost surely, 2^{62644364216623} is an apocalyptic number.

62644364216623 is a deficient number, since it is larger than the sum of its proper divisors (9644277987025).

62644364216623 is a wasteful number, since it uses less digits than its factorization.

62644364216623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86885387373.

The product of its digits is 35831808, while the sum is 55.

The spelling of 62644364216623 in words is "sixty-two trillion, six hundred forty-four billion, three hundred sixty-four million, two hundred sixteen thousand, six hundred twenty-three".