7849449759 has 8 divisors (see below), whose sum is σ = 10467394560. Its totient is φ = 5232235736.

The previous prime is 7849449721. The next prime is 7849449781. The reversal of 7849449759 is 9579449487.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7849449759 - 2²⁴ = 7832672543 is a prime.

It is a super-2 number, since 2×7849449759² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7849449759.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7849449709) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157119 + ... + 200960.

It is an arithmetic number, because the mean of its divisors is an integer number (1308424320).

Almost surely, 2^7849449759 is an apocalyptic number.

7849449759 is a deficient number, since it is larger than the sum of its proper divisors (2617944801).

7849449759 is a wasteful number, since it uses less digits than its factorization.

7849449759 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365389.

The product of its digits is 91445760, while the sum is 66.

The square root of 7849449759 is about 88597.1204893252. The cubic root of 7849449759 is about 1987.3746141065.

The spelling of 7849449759 in words is "seven billion, eight hundred forty-nine million, four hundred forty-nine thousand, seven hundred fifty-nine".