13648087439 has 4 divisors (see below), whose sum is σ = 15597814224. Its totient is φ = 11698360656.

The previous prime is 13648087423. The next prime is 13648087457. The reversal of 13648087439 is 93478084631.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13648087439 - 2⁴ = 13648087423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13648087459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 974863382 + ... + 974863395.

It is an arithmetic number, because the mean of its divisors is an integer number (3899453556).

Almost surely, 2^13648087439 is an apocalyptic number.

13648087439 is a deficient number, since it is larger than the sum of its proper divisors (1949726785).

13648087439 is an equidigital number, since it uses as much as digits as its factorization.

13648087439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1949726784.

The product of its (nonzero) digits is 3483648, while the sum is 53.

The spelling of 13648087439 in words is "thirteen billion, six hundred forty-eight million, eighty-seven thousand, four hundred thirty-nine".