4749870847 has 4 divisors (see below), whose sum is σ = 4753644840. Its totient is φ = 4746096856.

The previous prime is 4749870841. The next prime is 4749870863. The reversal of 4749870847 is 7480789474.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7480789474 = 2 ⋅3740394737.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4749870847 is a prime.

It is a super-2 number, since 2×4749870847² = 45122546126360994818, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4749870791 and 4749870800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4749870841) 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, 1885108 + ... + 1887625.

It is an arithmetic number, because the mean of its divisors is an integer number (1188411210).

Almost surely, 2^4749870847 is an apocalyptic number.

4749870847 is a deficient number, since it is larger than the sum of its proper divisors (3773993).

4749870847 is a wasteful number, since it uses less digits than its factorization.

4749870847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3773992.

The product of its (nonzero) digits is 12644352, while the sum is 58.

The square root of 4749870847 is about 68919.3067797406. The cubic root of 4749870847 is about 1680.9724678505.

The spelling of 4749870847 in words is "four billion, seven hundred forty-nine million, eight hundred seventy thousand, eight hundred forty-seven".