7849479443 has 8 divisors (see below), whose sum is σ = 8898195600. Its totient is φ = 6864321888.

The previous prime is 7849479439. The next prime is 7849479461. The reversal of 7849479443 is 3449749487.

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 7849479443 - 2² = 7849479439 is a prime.

It is a super-2 number, since 2×7849479443² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7849479413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15889388 + ... + 15889881.

It is an arithmetic number, because the mean of its divisors is an integer number (1112274450).

Almost surely, 2^7849479443 is an apocalyptic number.

7849479443 is a deficient number, since it is larger than the sum of its proper divisors (1048716157).

7849479443 is a wasteful number, since it uses less digits than its factorization.

7849479443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31779301.

The product of its digits is 24385536, while the sum is 59.

The square root of 7849479443 is about 88597.2880115413. The cubic root of 7849479443 is about 1987.3771192992.

The spelling of 7849479443 in words is "seven billion, eight hundred forty-nine million, four hundred seventy-nine thousand, four hundred forty-three".