15340938659929 has 2 divisors, whose sum is σ = 15340938659930. Its totient is φ = 15340938659928.

The previous prime is 15340938659909. The next prime is 15340938659947. The reversal of 15340938659929 is 92995683904351.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14738320258704 + 602618401225 = 3839052^2 + 776285^2 .

It is a cyclic number.

It is not a de Polignac number, because 15340938659929 - 2⁷ = 15340938659801 is a prime.

It is not a weakly prime, because it can be changed into another prime (15340938659909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7670469329964 + 7670469329965.

It is an arithmetic number, because the mean of its divisors is an integer number (7670469329965).

Almost surely, 2^{15340938659929} is an apocalyptic number.

It is an amenable number.

15340938659929 is a deficient number, since it is larger than the sum of its proper divisors (1).

15340938659929 is an equidigital number, since it uses as much as digits as its factorization.

15340938659929 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 566870400, while the sum is 73.

The spelling of 15340938659929 in words is "fifteen trillion, three hundred forty billion, nine hundred thirty-eight million, six hundred fifty-nine thousand, nine hundred twenty-nine".