1004851979 has 2 divisors, whose sum is σ = 1004851980. Its totient is φ = 1004851978.

The previous prime is 1004851961. The next prime is 1004851987. The reversal of 1004851979 is 9791584001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1004851979 - 2⁸ = 1004851723 is a prime.

It is not a weakly prime, because it can be changed into another prime (1004851909) 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, 502425989 + 502425990.

It is an arithmetic number, because the mean of its divisors is an integer number (502425990).

Almost surely, 2^1004851979 is an apocalyptic number.

1004851979 is a deficient number, since it is larger than the sum of its proper divisors (1).

1004851979 is an equidigital number, since it uses as much as digits as its factorization.

1004851979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 44.

The square root of 1004851979 is about 31699.4002940119. The cubic root of 1004851979 is about 1001.6147176170.

The spelling of 1004851979 in words is "one billion, four million, eight hundred fifty-one thousand, nine hundred seventy-nine".