7081139698 has 8 divisors (see below), whose sum is σ = 10908782892. Its totient is φ = 3444878736.

The previous prime is 7081139671. The next prime is 7081139707. The reversal of 7081139698 is 8969311807.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5864036929 + 1217102769 = 76577^2 + 34887^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47845465 + ... + 47845612.

Almost surely, 2^7081139698 is an apocalyptic number.

7081139698 is a deficient number, since it is larger than the sum of its proper divisors (3827643194).

7081139698 is a wasteful number, since it uses less digits than its factorization.

7081139698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95691116.

The product of its (nonzero) digits is 653184, while the sum is 52.

The square root of 7081139698 is about 84149.5080080686. The cubic root of 7081139698 is about 1920.2939814965.

The spelling of 7081139698 in words is "seven billion, eighty-one million, one hundred thirty-nine thousand, six hundred ninety-eight".