13479948391 has 8 divisors (see below), whose sum is σ = 16590705824. Its totient is φ = 10665453600.

The previous prime is 13479948379. The next prime is 13479948401. The reversal of 13479948391 is 19384997431.

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 13479948391 - 2¹⁵ = 13479915623 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13479948301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74065560 + ... + 74065741.

It is an arithmetic number, because the mean of its divisors is an integer number (2073838228).

Almost surely, 2^13479948391 is an apocalyptic number.

13479948391 is a deficient number, since it is larger than the sum of its proper divisors (3110757433).

13479948391 is a wasteful number, since it uses less digits than its factorization.

13479948391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148131321.

The product of its digits is 5878656, while the sum is 58.

The spelling of 13479948391 in words is "thirteen billion, four hundred seventy-nine million, nine hundred forty-eight thousand, three hundred ninety-one".