1046645879 has 2 divisors, whose sum is σ = 1046645880. Its totient is φ = 1046645878.

The previous prime is 1046645849. The next prime is 1046645891. The reversal of 1046645879 is 9785466401.

It is a strong prime.

It is an emirp because it is prime and its reverse (9785466401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1046645879 - 2²⁴ = 1029868663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1046645849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 523322939 + 523322940.

It is an arithmetic number, because the mean of its divisors is an integer number (523322940).

Almost surely, 2^1046645879 is an apocalyptic number.

1046645879 is a deficient number, since it is larger than the sum of its proper divisors (1).

1046645879 is an equidigital number, since it uses as much as digits as its factorization.

1046645879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1451520, while the sum is 50.

The square root of 1046645879 is about 32351.9068835208. The cubic root of 1046645879 is about 1015.3129432121.

The spelling of 1046645879 in words is "one billion, forty-six million, six hundred forty-five thousand, eight hundred seventy-nine".