10338721699 has 2 divisors, whose sum is σ = 10338721700. Its totient is φ = 10338721698.

The previous prime is 10338721667. The next prime is 10338721709. The reversal of 10338721699 is 99612783301.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10338721699 - 2⁵ = 10338721667 is a prime.

It is not a weakly prime, because it can be changed into another prime (10338721399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5169360849 + 5169360850.

It is an arithmetic number, because the mean of its divisors is an integer number (5169360850).

Almost surely, 2^10338721699 is an apocalyptic number.

10338721699 is a deficient number, since it is larger than the sum of its proper divisors (1).

10338721699 is an equidigital number, since it uses as much as digits as its factorization.

10338721699 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 489888, while the sum is 49.

The spelling of 10338721699 in words is "ten billion, three hundred thirty-eight million, seven hundred twenty-one thousand, six hundred ninety-nine".