15709290913 has 2 divisors, whose sum is σ = 15709290914. Its totient is φ = 15709290912.

The previous prime is 15709290911. The next prime is 15709290979. The reversal of 15709290913 is 31909290751.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15649259409 + 60031504 = 125097^2 + 7748^2 .

It is a cyclic number.

It is not a de Polignac number, because 15709290913 - 2¹ = 15709290911 is a prime.

Together with 15709290911, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (15709290911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7854645456 + 7854645457.

It is an arithmetic number, because the mean of its divisors is an integer number (7854645457).

Almost surely, 2^15709290913 is an apocalyptic number.

It is an amenable number.

15709290913 is a deficient number, since it is larger than the sum of its proper divisors (1).

15709290913 is an equidigital number, since it uses as much as digits as its factorization.

15709290913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 153090, while the sum is 46.

The spelling of 15709290913 in words is "fifteen billion, seven hundred nine million, two hundred ninety thousand, nine hundred thirteen".