7936437249 has 48 divisors (see below), whose sum is σ = 12768537600. Its totient is φ = 4719282048.

The previous prime is 7936437241. The next prime is 7936437253. The reversal of 7936437249 is 9427346397.

7936437249 is a `hidden beast` number, since 7 + 9 + 364 + 37 + 249 = 666.

It is not a de Polignac number, because 7936437249 - 2³ = 7936437241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7936437195 and 7936437204.

It is not an unprimeable number, because it can be changed into a prime (7936437241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 425287 + ... + 443555.

It is an arithmetic number, because the mean of its divisors is an integer number (266011200).

Almost surely, 2^7936437249 is an apocalyptic number.

7936437249 is a gapful number since it is divisible by the number (79) formed by its first and last digit.

It is an amenable number.

7936437249 is a deficient number, since it is larger than the sum of its proper divisors (4832100351).

7936437249 is a wasteful number, since it uses less digits than its factorization.

7936437249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18414 (or 18411 counting only the distinct ones).

The product of its digits is 6858432, while the sum is 54.

The square root of 7936437249 is about 89086.6839039371. The cubic root of 7936437249 is about 1994.6890132771.

The spelling of 7936437249 in words is "seven billion, nine hundred thirty-six million, four hundred thirty-seven thousand, two hundred forty-nine".