15648502450489 has 16 divisors (see below), whose sum is σ = 16719893856000. Its totient is φ = 14601940833744.

The previous prime is 15648502450453. The next prime is 15648502450513. The reversal of 15648502450489 is 98405420584651.

It is not a de Polignac number, because 15648502450489 - 2¹¹ = 15648502448441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15648502453489) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10367274 + ... + 11780380.

It is an arithmetic number, because the mean of its divisors is an integer number (1044993366000).

Almost surely, 2^{15648502450489} is an apocalyptic number.

15648502450489 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

15648502450489 is a deficient number, since it is larger than the sum of its proper divisors (1071391405511).

15648502450489 is a wasteful number, since it uses less digits than its factorization.

15648502450489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1421892.

The product of its (nonzero) digits is 55296000, while the sum is 61.

The spelling of 15648502450489 in words is "fifteen trillion, six hundred forty-eight billion, five hundred two million, four hundred fifty thousand, four hundred eighty-nine".