7638901711802 has 8 divisors (see below), whose sum is σ = 11466698058036. Its totient is φ = 3816669025792.

The previous prime is 7638901711751. The next prime is 7638901711811. The reversal of 7638901711802 is 2081171098367.

It can be written as a sum of positive squares in 2 ways, for example, as 5291016648841 + 2347885062961 = 2300221^2 + 1532281^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1390911623 + ... + 1390917114.

Almost surely, 2^{7638901711802} is an apocalyptic number.

7638901711802 is a deficient number, since it is larger than the sum of its proper divisors (3827796346234).

7638901711802 is a wasteful number, since it uses less digits than its factorization.

7638901711802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2781830112.

The product of its (nonzero) digits is 1016064, while the sum is 53.

The spelling of 7638901711802 in words is "seven trillion, six hundred thirty-eight billion, nine hundred one million, seven hundred eleven thousand, eight hundred two".