13439999999 has 8 divisors (see below), whose sum is σ = 14149274880. Its totient is φ = 12730915800.

The previous prime is 13439999987. The next prime is 13440000019. The reversal of 13439999999 is 99999993431.

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

It is not a de Polignac number, because 13439999999 - 2⁴ = 13439999983 is a prime.

It is a Duffinian number.

13439999999 is a modest number, since divided by 999999 gives 13439 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13439999939) 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, 110504 + ... + 197714.

It is an arithmetic number, because the mean of its divisors is an integer number (1768659360).

Almost surely, 2^13439999999 is an apocalyptic number.

13439999999 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

13439999999 is a deficient number, since it is larger than the sum of its proper divisors (709274881).

13439999999 is an equidigital number, since it uses as much as digits as its factorization.

13439999999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95341.

The product of its digits is 172186884, while the sum is 74.

The spelling of 13439999999 in words is "thirteen billion, four hundred thirty-nine million, nine hundred ninety-nine thousand, nine hundred ninety-nine".