15425514242389 has 2 divisors, whose sum is σ = 15425514242390. Its totient is φ = 15425514242388.

The previous prime is 15425514242269. The next prime is 15425514242431. The reversal of 15425514242389 is 98324241552451.

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., 9914091282225 + 5511422960164 = 3148665^2 + 2347642^2 .

It is a cyclic number.

It is not a de Polignac number, because 15425514242389 - 2¹⁹ = 15425513718101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15425514245389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7712757121194 + 7712757121195.

It is an arithmetic number, because the mean of its divisors is an integer number (7712757121195).

Almost surely, 2^{15425514242389} is an apocalyptic number.

It is an amenable number.

15425514242389 is a deficient number, since it is larger than the sum of its proper divisors (1).

15425514242389 is an equidigital number, since it uses as much as digits as its factorization.

15425514242389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824000, while the sum is 55.

The spelling of 15425514242389 in words is "fifteen trillion, four hundred twenty-five billion, five hundred fourteen million, two hundred forty-two thousand, three hundred eighty-nine".