8188356490379 has 4 divisors (see below), whose sum is σ = 8818230066576. Its totient is φ = 7558482914184.

The previous prime is 8188356490351. The next prime is 8188356490397. The reversal of 8188356490379 is 9730946538818.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8188356490379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8188356490879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314936788079 + ... + 314936788104.

It is an arithmetic number, because the mean of its divisors is an integer number (2204557516644).

Almost surely, 2^{8188356490379} is an apocalyptic number.

8188356490379 is a deficient number, since it is larger than the sum of its proper divisors (629873576197).

8188356490379 is a wasteful number, since it uses less digits than its factorization.

8188356490379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629873576196.

The product of its (nonzero) digits is 313528320, while the sum is 71.

The spelling of 8188356490379 in words is "eight trillion, one hundred eighty-eight billion, three hundred fifty-six million, four hundred ninety thousand, three hundred seventy-nine".