1002196379 has 2 divisors, whose sum is σ = 1002196380. Its totient is φ = 1002196378.

The previous prime is 1002196357. The next prime is 1002196387. The reversal of 1002196379 is 9736912001.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1002196379 - 2¹² = 1002192283 is a prime.

It is not a weakly prime, because it can be changed into another prime (1002196079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501098189 + 501098190.

It is an arithmetic number, because the mean of its divisors is an integer number (501098190).

Almost surely, 2^1002196379 is an apocalyptic number.

1002196379 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002196379 is an equidigital number, since it uses as much as digits as its factorization.

1002196379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412, while the sum is 38.

The square root of 1002196379 is about 31657.4853549678. The cubic root of 1002196379 is about 1000.7315909775.

The spelling of 1002196379 in words is "one billion, two million, one hundred ninety-six thousand, three hundred seventy-nine".