15922350989 has 2 divisors, whose sum is σ = 15922350990. Its totient is φ = 15922350988.

The previous prime is 15922350979. The next prime is 15922351009. The reversal of 15922350989 is 98905322951.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13972422025 + 1949928964 = 118205^2 + 44158^2 .

It is a cyclic number.

It is not a de Polignac number, because 15922350989 - 2²⁸ = 15653915533 is a prime.

It is a super-2 number, since 2×15922350989² (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 15922350989.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15922350919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7961175494 + 7961175495.

It is an arithmetic number, because the mean of its divisors is an integer number (7961175495).

Almost surely, 2^15922350989 is an apocalyptic number.

It is an amenable number.

15922350989 is a deficient number, since it is larger than the sum of its proper divisors (1).

15922350989 is an equidigital number, since it uses as much as digits as its factorization.

15922350989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1749600, while the sum is 53.

The spelling of 15922350989 in words is "fifteen billion, nine hundred twenty-two million, three hundred fifty thousand, nine hundred eighty-nine".