8349932640626 has 16 divisors (see below), whose sum is σ = 12544923805848. Its totient is φ = 4168295241600.

The previous prime is 8349932640613. The next prime is 8349932640653. The reversal of 8349932640626 is 6260462399438.

It is a happy number.

It is a Cunningham number, because it is equal to 2889625²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 2279873505625 + 6070059135001 = 1509925^2 + 2463749^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3357716 + ... + 5289056.

Almost surely, 2^{8349932640626} is an apocalyptic number.

8349932640626 is a deficient number, since it is larger than the sum of its proper divisors (4194991165222).

8349932640626 is a wasteful number, since it uses less digits than its factorization.

8349932640626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1934797.

The product of its (nonzero) digits is 80621568, while the sum is 62.

The spelling of 8349932640626 in words is "eight trillion, three hundred forty-nine billion, nine hundred thirty-two million, six hundred forty thousand, six hundred twenty-six".