10699864309 has 2 divisors, whose sum is σ = 10699864310. Its totient is φ = 10699864308.

The previous prime is 10699864291. The next prime is 10699864321. The reversal of 10699864309 is 90346899601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10618684209 + 81180100 = 103047^2 + 9010^2 .

It is a cyclic number.

It is not a de Polignac number, because 10699864309 - 2²³ = 10691475701 is a prime.

It is a super-2 number, since 2×10699864309² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10699864309.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10699864009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5349932154 + 5349932155.

It is an arithmetic number, because the mean of its divisors is an integer number (5349932155).

Almost surely, 2^10699864309 is an apocalyptic number.

It is an amenable number.

10699864309 is a deficient number, since it is larger than the sum of its proper divisors (1).

10699864309 is an equidigital number, since it uses as much as digits as its factorization.

10699864309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2519424, while the sum is 55.

The spelling of 10699864309 in words is "ten billion, six hundred ninety-nine million, eight hundred sixty-four thousand, three hundred nine".