11697370749 has 12 divisors (see below), whose sum is σ = 16915479516. Its totient is φ = 7789349952.

The previous prime is 11697370723. The next prime is 11697370759. The reversal of 11697370749 is 94707379611.

11697370749 is a `hidden beast` number, since 116 + 97 + 370 + 74 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4133589849 + 7563780900 = 64293^2 + 86970^2 .

It is not a de Polignac number, because 11697370749 - 2⁵ = 11697370717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11697370695 and 11697370704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11697370759) 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, 733104 + ... + 748889.

It is an arithmetic number, because the mean of its divisors is an integer number (1409623293).

Almost surely, 2^11697370749 is an apocalyptic number.

It is an amenable number.

11697370749 is a deficient number, since it is larger than the sum of its proper divisors (5218108767).

11697370749 is a wasteful number, since it uses less digits than its factorization.

11697370749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1482876 (or 1482873 counting only the distinct ones).

The product of its (nonzero) digits is 2000376, while the sum is 54.

The spelling of 11697370749 in words is "eleven billion, six hundred ninety-seven million, three hundred seventy thousand, seven hundred forty-nine".