16342630789 has 2 divisors, whose sum is σ = 16342630790. Its totient is φ = 16342630788.

The previous prime is 16342630781. The next prime is 16342630823. The reversal of 16342630789 is 98703624361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13879196100 + 2463434689 = 117810^2 + 49633^2 .

It is an emirp because it is prime and its reverse (98703624361) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16342630789 - 2³ = 16342630781 is a prime.

It is a super-2 number, since 2×16342630789² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16342630781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8171315394 + 8171315395.

It is an arithmetic number, because the mean of its divisors is an integer number (8171315395).

Almost surely, 2^16342630789 is an apocalyptic number.

It is an amenable number.

16342630789 is a deficient number, since it is larger than the sum of its proper divisors (1).

16342630789 is an equidigital number, since it uses as much as digits as its factorization.

16342630789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1306368, while the sum is 49.

The spelling of 16342630789 in words is "sixteen billion, three hundred forty-two million, six hundred thirty thousand, seven hundred eighty-nine".