115783692349 has 4 divisors (see below), whose sum is σ = 124690130236. Its totient is φ = 106877254464.

The previous prime is 115783692257. The next prime is 115783692383. The reversal of 115783692349 is 943296387511.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 943296387511 = 83 ⋅11365016717.

It can be written as a sum of positive squares in 2 ways, for example, as 67414487449 + 48369204900 = 259643^2 + 219930^2 .

It is a cyclic number.

It is not a de Polignac number, because 115783692349 - 2¹¹ = 115783690301 is a prime.

It is a super-2 number, since 2×115783692349² (a number of 23 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 = 115783692293 and 115783692302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115783693349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4453218924 + ... + 4453218949.

It is an arithmetic number, because the mean of its divisors is an integer number (31172532559).

Almost surely, 2^115783692349 is an apocalyptic number.

It is an amenable number.

115783692349 is a deficient number, since it is larger than the sum of its proper divisors (8906437887).

115783692349 is an equidigital number, since it uses as much as digits as its factorization.

115783692349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8906437886.

The product of its digits is 9797760, while the sum is 58.

The spelling of 115783692349 in words is "one hundred fifteen billion, seven hundred eighty-three million, six hundred ninety-two thousand, three hundred forty-nine".