4987759849 has 4 divisors (see below), whose sum is σ = 5148655360. Its totient is φ = 4826864340.

The previous prime is 4987759837. The next prime is 4987759853. The reversal of 4987759849 is 9489577894.

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 a cyclic number.

It is not a de Polignac number, because 4987759849 - 2²⁷ = 4853542121 is a prime.

It is a super-2 number, since 2×4987759849² = 49755496622593005602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4987759349) 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, 80447709 + ... + 80447770.

It is an arithmetic number, because the mean of its divisors is an integer number (1287163840).

Almost surely, 2^4987759849 is an apocalyptic number.

It is an amenable number.

4987759849 is a deficient number, since it is larger than the sum of its proper divisors (160895511).

4987759849 is a wasteful number, since it uses less digits than its factorization.

4987759849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160895510.

The product of its digits is 182891520, while the sum is 70.

The square root of 4987759849 is about 70624.0741461437. The cubic root of 4987759849 is about 1708.5794489135.

The spelling of 4987759849 in words is "four billion, nine hundred eighty-seven million, seven hundred fifty-nine thousand, eight hundred forty-nine".