105990245369 has 2 divisors, whose sum is σ = 105990245370. Its totient is φ = 105990245368.

The previous prime is 105990245359. The next prime is 105990245377. The reversal of 105990245369 is 963542099501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89662516969 + 16327728400 = 299437^2 + 127780^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105990245369 is a prime.

It is a super-2 number, since 2×105990245369² (a number of 23 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 105990245369.

It is not a weakly prime, because it can be changed into another prime (105990245329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52995122684 + 52995122685.

It is an arithmetic number, because the mean of its divisors is an integer number (52995122685).

Almost surely, 2^105990245369 is an apocalyptic number.

It is an amenable number.

105990245369 is a deficient number, since it is larger than the sum of its proper divisors (1).

105990245369 is an equidigital number, since it uses as much as digits as its factorization.

105990245369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2624400, while the sum is 53.

The spelling of 105990245369 in words is "one hundred five billion, nine hundred ninety million, two hundred forty-five thousand, three hundred sixty-nine".