4349871947 has 4 divisors (see below), whose sum is σ = 4371730800. Its totient is φ = 4328013096.

The previous prime is 4349871943. The next prime is 4349871971. The reversal of 4349871947 is 7491789434.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4349871947 - 2² = 4349871943 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4349871892 and 4349871901.

It is not an unprimeable number, because it can be changed into a prime (4349871943) 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, 10929128 + ... + 10929525.

It is an arithmetic number, because the mean of its divisors is an integer number (1092932700).

Almost surely, 2^4349871947 is an apocalyptic number.

4349871947 is a deficient number, since it is larger than the sum of its proper divisors (21858853).

4349871947 is a wasteful number, since it uses less digits than its factorization.

4349871947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21858852.

The product of its digits is 6096384, while the sum is 56.

The square root of 4349871947 is about 65953.5590169325. The cubic root of 4349871947 is about 1632.3958828462.

The spelling of 4349871947 in words is "four billion, three hundred forty-nine million, eight hundred seventy-one thousand, nine hundred forty-seven".