15340201309 has 2 divisors, whose sum is σ = 15340201310. Its totient is φ = 15340201308.

The previous prime is 15340201307. The next prime is 15340201313. The reversal of 15340201309 is 90310204351.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10940532409 + 4399668900 = 104597^2 + 66330^2 .

It is a cyclic number.

It is not a de Polignac number, because 15340201309 - 2¹ = 15340201307 is a prime.

Together with 15340201307, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15340201307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7670100654 + 7670100655.

It is an arithmetic number, because the mean of its divisors is an integer number (7670100655).

Almost surely, 2^15340201309 is an apocalyptic number.

It is an amenable number.

15340201309 is a deficient number, since it is larger than the sum of its proper divisors (1).

15340201309 is an equidigital number, since it uses as much as digits as its factorization.

15340201309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 28.

The spelling of 15340201309 in words is "fifteen billion, three hundred forty million, two hundred one thousand, three hundred nine".