5138974718 has 8 divisors (see below), whose sum is σ = 7957122240. Its totient is φ = 2486600640.

The previous prime is 5138974703. The next prime is 5138974723. The reversal of 5138974718 is 8174798315.

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

It is a super-2 number, since 2×5138974718² = 52818122304486359048, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5138974718.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 41443283 + ... + 41443406.

It is an arithmetic number, because the mean of its divisors is an integer number (994640280).

Almost surely, 2^5138974718 is an apocalyptic number.

5138974718 is a deficient number, since it is larger than the sum of its proper divisors (2818147522).

5138974718 is a wasteful number, since it uses less digits than its factorization.

5138974718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82886722.

The product of its digits is 1693440, while the sum is 53.

The square root of 5138974718 is about 71686.6425354124. The cubic root of 5138974718 is about 1725.6742829759.

The spelling of 5138974718 in words is "five billion, one hundred thirty-eight million, nine hundred seventy-four thousand, seven hundred eighteen".