13097374749 has 12 divisors (see below), whose sum is σ = 18929626716. Its totient is φ = 8726415552.

The previous prime is 13097374699. The next prime is 13097374781. The reversal of 13097374749 is 94747379031.

13097374749 is a `hidden beast` number, since 130 + 9 + 7 + 37 + 474 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2272428900 + 10824945849 = 47670^2 + 104043^2 .

It is not a de Polignac number, because 13097374749 - 2⁷ = 13097374621 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13097374695 and 13097374704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13097374799) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 414552 + ... + 445025.

It is an arithmetic number, because the mean of its divisors is an integer number (1577468893).

Almost surely, 2^13097374749 is an apocalyptic number.

It is an amenable number.

13097374749 is a deficient number, since it is larger than the sum of its proper divisors (5832251967).

13097374749 is a wasteful number, since it uses less digits than its factorization.

13097374749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861276 (or 861273 counting only the distinct ones).

The product of its (nonzero) digits is 4000752, while the sum is 54.

The spelling of 13097374749 in words is "thirteen billion, ninety-seven million, three hundred seventy-four thousand, seven hundred forty-nine".