13210081739 has 16 divisors (see below), whose sum is σ = 13691068416. Its totient is φ = 12732660000.

The previous prime is 13210081699. The next prime is 13210081747. The reversal of 13210081739 is 93718001231.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 13210081739 - 2⁸ = 13210081483 is a prime.

It is a super-2 number, since 2×13210081739² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13210081699 and 13210081708.

It is not an unprimeable number, because it can be changed into a prime (13210081639) 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, 15062369 + ... + 15063245.

It is an arithmetic number, because the mean of its divisors is an integer number (855691776).

Almost surely, 2^13210081739 is an apocalyptic number.

13210081739 is a deficient number, since it is larger than the sum of its proper divisors (480986677).

13210081739 is an equidigital number, since it uses as much as digits as its factorization.

13210081739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2306.

The product of its (nonzero) digits is 9072, while the sum is 35.

The spelling of 13210081739 in words is "thirteen billion, two hundred ten million, eighty-one thousand, seven hundred thirty-nine".