15414251443489 has 2 divisors, whose sum is σ = 15414251443490. Its totient is φ = 15414251443488.

The previous prime is 15414251443429. The next prime is 15414251443519. The reversal of 15414251443489 is 98434415241451.

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., 13110974744464 + 2303276699025 = 3620908^2 + 1517655^2 .

It is an emirp because it is prime and its reverse (98434415241451) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15414251443489 is a prime.

It is not a weakly prime, because it can be changed into another prime (15414251443429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7707125721744 + 7707125721745.

It is an arithmetic number, because the mean of its divisors is an integer number (7707125721745).

Almost surely, 2^{15414251443489} is an apocalyptic number.

It is an amenable number.

15414251443489 is a deficient number, since it is larger than the sum of its proper divisors (1).

15414251443489 is an equidigital number, since it uses as much as digits as its factorization.

15414251443489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11059200, while the sum is 55.

The spelling of 15414251443489 in words is "fifteen trillion, four hundred fourteen billion, two hundred fifty-one million, four hundred forty-three thousand, four hundred eighty-nine".