1107979643 has 2 divisors, whose sum is σ = 1107979644. Its totient is φ = 1107979642.

The previous prime is 1107979627. The next prime is 1107979651. The reversal of 1107979643 is 3469797011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1107979643 - 2⁴ = 1107979627 is a prime.

It is not a weakly prime, because it can be changed into another prime (1107979693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 553989821 + 553989822.

It is an arithmetic number, because the mean of its divisors is an integer number (553989822).

Almost surely, 2^1107979643 is an apocalyptic number.

1107979643 is a deficient number, since it is larger than the sum of its proper divisors (1).

1107979643 is an equidigital number, since it uses as much as digits as its factorization.

1107979643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 285768, while the sum is 47.

The square root of 1107979643 is about 33286.3281693851. The cubic root of 1107979643 is about 1034.7702331725.

The spelling of 1107979643 in words is "one billion, one hundred seven million, nine hundred seventy-nine thousand, six hundred forty-three".