13079484749 has 4 divisors (see below), whose sum is σ = 13208984700. Its totient is φ = 12949984800.

The previous prime is 13079484739. The next prime is 13079484779. The reversal of 13079484749 is 94748497031.

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

It can be written as a sum of positive squares in 2 ways, for example, as 12735122500 + 344362249 = 112850^2 + 18557^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13079484749 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13079484694 and 13079484703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13079484739) 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, 64749824 + ... + 64750025.

It is an arithmetic number, because the mean of its divisors is an integer number (3302246175).

Almost surely, 2^13079484749 is an apocalyptic number.

It is an amenable number.

13079484749 is a deficient number, since it is larger than the sum of its proper divisors (129499951).

13079484749 is a wasteful number, since it uses less digits than its factorization.

13079484749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129499950.

The product of its (nonzero) digits is 6096384, while the sum is 56.

The spelling of 13079484749 in words is "thirteen billion, seventy-nine million, four hundred eighty-four thousand, seven hundred forty-nine".