638825741414 has 16 divisors (see below), whose sum is σ = 1095143040288. Its totient is φ = 273779161152.

The previous prime is 638825741347. The next prime is 638825741429. The reversal of 638825741414 is 414147528836.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1201682 + ... + 1649754.

It is an arithmetic number, because the mean of its divisors is an integer number (68446440018).

Almost surely, 2^638825741414 is an apocalyptic number.

638825741414 is a deficient number, since it is larger than the sum of its proper divisors (456317298874).

638825741414 is a wasteful number, since it uses less digits than its factorization.

638825741414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549919.

The product of its digits is 5160960, while the sum is 53.

The spelling of 638825741414 in words is "six hundred thirty-eight billion, eight hundred twenty-five million, seven hundred forty-one thousand, four hundred fourteen".