15374314693489 has 2 divisors, whose sum is σ = 15374314693490. Its totient is φ = 15374314693488.

The previous prime is 15374314693481. The next prime is 15374314693519. The reversal of 15374314693489 is 98439641347351.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15206139245025 + 168175448464 = 3899505^2 + 410092^2 .

It is an emirp because it is prime and its reverse (98439641347351) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15374314693489 - 2³ = 15374314693481 is a prime.

It is not a weakly prime, because it can be changed into another prime (15374314693481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7687157346744 + 7687157346745.

It is an arithmetic number, because the mean of its divisors is an integer number (7687157346745).

Almost surely, 2^{15374314693489} is an apocalyptic number.

It is an amenable number.

15374314693489 is a deficient number, since it is larger than the sum of its proper divisors (1).

15374314693489 is an equidigital number, since it uses as much as digits as its factorization.

15374314693489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 235146240, while the sum is 67.

The spelling of 15374314693489 in words is "fifteen trillion, three hundred seventy-four billion, three hundred fourteen million, six hundred ninety-three thousand, four hundred eighty-nine".