10202099939 has 2 divisors, whose sum is σ = 10202099940. Its totient is φ = 10202099938.

The previous prime is 10202099927. The next prime is 10202100043. The reversal of 10202099939 is 93999020201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10202099939 - 2⁸ = 10202099683 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10202099939.

It is not a weakly prime, because it can be changed into another prime (10202099239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5101049969 + 5101049970.

It is an arithmetic number, because the mean of its divisors is an integer number (5101049970).

Almost surely, 2^10202099939 is an apocalyptic number.

10202099939 is a deficient number, since it is larger than the sum of its proper divisors (1).

10202099939 is an equidigital number, since it uses as much as digits as its factorization.

10202099939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 78732, while the sum is 44.

The spelling of 10202099939 in words is "ten billion, two hundred two million, ninety-nine thousand, nine hundred thirty-nine".