62945000639 has 4 divisors (see below), whose sum is σ = 63085190400. Its totient is φ = 62804810880.

The previous prime is 62945000623. The next prime is 62945000663. The reversal of 62945000639 is 93600054926.

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 62945000639 - 2⁴ = 62945000623 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 62945000639.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (62945009639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70094207 + ... + 70095104.

It is an arithmetic number, because the mean of its divisors is an integer number (15771297600).

Almost surely, 2^62945000639 is an apocalyptic number.

62945000639 is a deficient number, since it is larger than the sum of its proper divisors (140189761).

62945000639 is a wasteful number, since it uses less digits than its factorization.

62945000639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140189760.

The product of its (nonzero) digits is 349920, while the sum is 44.

The spelling of 62945000639 in words is "sixty-two billion, nine hundred forty-five million, six hundred thirty-nine", and thus it is an aban number.