13378747499 has 8 divisors (see below), whose sum is σ = 15255404640. Its totient is φ = 11623165056.

The previous prime is 13378747483. The next prime is 13378747517. The reversal of 13378747499 is 99474787331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13378747499 - 2⁴ = 13378747483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13378747199) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30268439 + ... + 30268880.

It is an arithmetic number, because the mean of its divisors is an integer number (1906925580).

Almost surely, 2^13378747499 is an apocalyptic number.

13378747499 is a deficient number, since it is larger than the sum of its proper divisors (1876657141).

13378747499 is a wasteful number, since it uses less digits than its factorization.

13378747499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60537349.

The product of its digits is 32006016, while the sum is 62.

The spelling of 13378747499 in words is "thirteen billion, three hundred seventy-eight million, seven hundred forty-seven thousand, four hundred ninety-nine".