7949379194 has 4 divisors (see below), whose sum is σ = 11924068794. Its totient is φ = 3974689596.

The previous prime is 7949379173. The next prime is 7949379203. The reversal of 7949379194 is 4919739497.

It is a happy number.

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., 7929012025 + 20367169 = 89045^2 + 4513^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1987344797 + ... + 1987344800.

Almost surely, 2^7949379194 is an apocalyptic number.

7949379194 is a deficient number, since it is larger than the sum of its proper divisors (3974689600).

7949379194 is a wasteful number, since it uses less digits than its factorization.

7949379194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3974689599.

The product of its digits is 15431472, while the sum is 62.

The square root of 7949379194 is about 89159.2911254907. The cubic root of 7949379194 is about 1995.7726706385.

The spelling of 7949379194 in words is "seven billion, nine hundred forty-nine million, three hundred seventy-nine thousand, one hundred ninety-four".