1079819917 has 4 divisors (see below), whose sum is σ = 1177985376. Its totient is φ = 981654460.

The previous prime is 1079819903. The next prime is 1079819921. The reversal of 1079819917 is 7199189701.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1079819917 - 2¹⁹ = 1079295629 is a prime.

It is a super-2 number, since 2×1079819917² = 2332022106299773778, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1079819927) 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, 49082713 + ... + 49082734.

It is an arithmetic number, because the mean of its divisors is an integer number (294496344).

Almost surely, 2^1079819917 is an apocalyptic number.

It is an amenable number.

1079819917 is a deficient number, since it is larger than the sum of its proper divisors (98165459).

1079819917 is an equidigital number, since it uses as much as digits as its factorization.

1079819917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98165458.

The product of its (nonzero) digits is 285768, while the sum is 52.

The square root of 1079819917 is about 32860.6134604940. The cubic root of 1079819917 is about 1025.9285393550.

The spelling of 1079819917 in words is "one billion, seventy-nine million, eight hundred nineteen thousand, nine hundred seventeen".