4899739257 has 12 divisors (see below), whose sum is σ = 8088458560. Its totient is φ = 2799850968.

The previous prime is 4899739253. The next prime is 4899739261. The reversal of 4899739257 is 7529379984.

It is an interprime number because it is at equal distance from previous prime (4899739253) and next prime (4899739261).

It is not a de Polignac number, because 4899739257 - 2² = 4899739253 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63), and also a Moran number because the ratio is a prime number: 77773639 = 4899739257 / (4 + 8 + 9 + 9 + 7 + 3 + 9 + 2 + 5 + 7).

It is a junction number, because it is equal to n+sod(n) for n = 4899739194 and 4899739203.

It is not an unprimeable number, because it can be changed into a prime (4899739253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38886757 + ... + 38886882.

Almost surely, 2^4899739257 is an apocalyptic number.

It is an amenable number.

4899739257 is a deficient number, since it is larger than the sum of its proper divisors (3188719303).

4899739257 is a wasteful number, since it uses less digits than its factorization.

4899739257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77773652 (or 77773649 counting only the distinct ones).

The product of its digits is 34292160, while the sum is 63.

The square root of 4899739257 is about 69998.1375252228. The cubic root of 4899739257 is about 1698.4691243747.

The spelling of 4899739257 in words is "four billion, eight hundred ninety-nine million, seven hundred thirty-nine thousand, two hundred fifty-seven".