1079391699 has 6 divisors (see below), whose sum is σ = 1559121356. Its totient is φ = 719594460.

The previous prime is 1079391673. The next prime is 1079391739. The reversal of 1079391699 is 9961939701.

It is a de Polignac number, because none of the positive numbers 2^k-1079391699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1079390699) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 59966197 + ... + 59966214.

Almost surely, 2^1079391699 is an apocalyptic number.

1079391699 is a deficient number, since it is larger than the sum of its proper divisors (479729657).

1079391699 is a wasteful number, since it uses less digits than its factorization.

1079391699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119932417 (or 119932414 counting only the distinct ones).

The product of its (nonzero) digits is 826686, while the sum is 54.

The square root of 1079391699 is about 32854.0971417569. The cubic root of 1079391699 is about 1025.7929058893.

The spelling of 1079391699 in words is "one billion, seventy-nine million, three hundred ninety-one thousand, six hundred ninety-nine".