7849666433 has 4 divisors (see below), whose sum is σ = 8971047360. Its totient is φ = 6728285508.

The previous prime is 7849666427. The next prime is 7849666537. The reversal of 7849666433 is 3346669487.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 7849666433 - 2¹⁰ = 7849665409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7849666423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 560690453 + ... + 560690466.

It is an arithmetic number, because the mean of its divisors is an integer number (2242761840).

Almost surely, 2^7849666433 is an apocalyptic number.

It is an amenable number.

7849666433 is a deficient number, since it is larger than the sum of its proper divisors (1121380927).

7849666433 is a wasteful number, since it uses less digits than its factorization.

7849666433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121380926.

The product of its digits is 15676416, while the sum is 56.

The square root of 7849666433 is about 88598.3432858651. The cubic root of 7849666433 is about 1987.3929002479.

The spelling of 7849666433 in words is "seven billion, eight hundred forty-nine million, six hundred sixty-six thousand, four hundred thirty-three".