7638852938698 has 4 divisors (see below), whose sum is σ = 11458279408050. Its totient is φ = 3819426469348.

The previous prime is 7638852938683. The next prime is 7638852938741. The reversal of 7638852938698 is 8968392588367.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 5623409905129 + 2015443033569 = 2371373^2 + 1419663^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1909713234673 + ... + 1909713234676.

Almost surely, 2^{7638852938698} is an apocalyptic number.

7638852938698 is a deficient number, since it is larger than the sum of its proper divisors (3819426469352).

7638852938698 is a wasteful number, since it uses less digits than its factorization.

7638852938698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3819426469351.

The product of its digits is 7524679680, while the sum is 82.

The spelling of 7638852938698 in words is "seven trillion, six hundred thirty-eight billion, eight hundred fifty-two million, nine hundred thirty-eight thousand, six hundred ninety-eight".