1079651699 has 4 divisors (see below), whose sum is σ = 1233887664. Its totient is φ = 925415736.

The previous prime is 1079651693. The next prime is 1079651707. The reversal of 1079651699 is 9961569701.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9961569701 = 79 ⋅126095819.

It is a de Polignac number, because none of the positive numbers 2^k-1079651699 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1079651699.

It is not an unprimeable number, because it can be changed into a prime (1079651693) 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, 77117972 + ... + 77117985.

It is an arithmetic number, because the mean of its divisors is an integer number (308471916).

Almost surely, 2^1079651699 is an apocalyptic number.

1079651699 is a deficient number, since it is larger than the sum of its proper divisors (154235965).

1079651699 is an equidigital number, since it uses as much as digits as its factorization.

1079651699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154235964.

The product of its (nonzero) digits is 918540, while the sum is 53.

The square root of 1079651699 is about 32858.0537920310. The cubic root of 1079651699 is about 1025.8752623821.

The spelling of 1079651699 in words is "one billion, seventy-nine million, six hundred fifty-one thousand, six hundred ninety-nine".