1100949379 has 2 divisors, whose sum is σ = 1100949380. Its totient is φ = 1100949378.

The previous prime is 1100949373. The next prime is 1100949397. The reversal of 1100949379 is 9739490011.

It is a happy number.

Together with next prime (1100949397) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1100949379 - 2⁷ = 1100949251 is a prime.

It is not a weakly prime, because it can be changed into another prime (1100949373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550474689 + 550474690.

It is an arithmetic number, because the mean of its divisors is an integer number (550474690).

Almost surely, 2^1100949379 is an apocalyptic number.

1100949379 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100949379 is an equidigital number, since it uses as much as digits as its factorization.

1100949379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61236, while the sum is 43.

The square root of 1100949379 is about 33180.5572436630. The cubic root of 1100949379 is about 1032.5770073518.

The spelling of 1100949379 in words is "one billion, one hundred million, nine hundred forty-nine thousand, three hundred seventy-nine".