1002109679 has 2 divisors, whose sum is σ = 1002109680. Its totient is φ = 1002109678.

The previous prime is 1002109657. The next prime is 1002109697. The reversal of 1002109679 is 9769012001.

Together with next prime (1002109697) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1002109679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1002109699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501054839 + 501054840.

It is an arithmetic number, because the mean of its divisors is an integer number (501054840).

Almost surely, 2^1002109679 is an apocalyptic number.

1002109679 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002109679 is an equidigital number, since it uses as much as digits as its factorization.

1002109679 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 35.

The square root of 1002109679 is about 31656.1159809601. The cubic root of 1002109679 is about 1000.7027323849.

The spelling of 1002109679 in words is "one billion, two million, one hundred nine thousand, six hundred seventy-nine".