15142738944329 has 2 divisors, whose sum is σ = 15142738944330. Its totient is φ = 15142738944328.

The previous prime is 15142738944299. The next prime is 15142738944331. The reversal of 15142738944329 is 92344983724151.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14542416156304 + 600322788025 = 3813452^2 + 774805^2 .

It is a cyclic number.

It is not a de Polignac number, because 15142738944329 - 2¹² = 15142738940233 is a prime.

It is a super-2 number, since 2×15142738944329² (a number of 27 digits) contains 22 as substring.

Together with 15142738944331, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (15142738944929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7571369472164 + 7571369472165.

It is an arithmetic number, because the mean of its divisors is an integer number (7571369472165).

Almost surely, 2^{15142738944329} is an apocalyptic number.

It is an amenable number.

15142738944329 is a deficient number, since it is larger than the sum of its proper divisors (1).

15142738944329 is an equidigital number, since it uses as much as digits as its factorization.

15142738944329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52254720, while the sum is 62.

The spelling of 15142738944329 in words is "fifteen trillion, one hundred forty-two billion, seven hundred thirty-eight million, nine hundred forty-four thousand, three hundred twenty-nine".