62639648394 has 16 divisors (see below), whose sum is σ = 125741585280. Its totient is φ = 20802834720.

The previous prime is 62639648359. The next prime is 62639648441. The reversal of 62639648394 is 49384693626.

It is an unprimeable number.

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, 19260259 + ... + 19263510.

It is an arithmetic number, because the mean of its divisors is an integer number (7858849080).

Almost surely, 2^62639648394 is an apocalyptic number.

62639648394 is an abundant number, since it is smaller than the sum of its proper divisors (63101936886).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

62639648394 is a wasteful number, since it uses less digits than its factorization.

62639648394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38524045.

The product of its digits is 40310784, while the sum is 60.

The spelling of 62639648394 in words is "sixty-two billion, six hundred thirty-nine million, six hundred forty-eight thousand, three hundred ninety-four".