4297749136 has 10 divisors (see below), whose sum is σ = 8326888982. Its totient is φ = 2148874560.

The previous prime is 4297749133. The next prime is 4297749187. The reversal of 4297749136 is 6319477924.

It can be written as a sum of positive squares in only one way, i.e., 4297589136 + 160000 = 65556^2 + 400^2 .

It is not an unprimeable number, because it can be changed into a prime (4297749133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134304645 + ... + 134304676.

Almost surely, 2^4297749136 is an apocalyptic number.

It is an amenable number.

4297749136 is a deficient number, since it is larger than the sum of its proper divisors (4029139846).

4297749136 is a wasteful number, since it uses less digits than its factorization.

4297749136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268609329 (or 268609323 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 52.

The square root of 4297749136 is about 65557.2203193516. The cubic root of 4297749136 is about 1625.8495453370.

The spelling of 4297749136 in words is "four billion, two hundred ninety-seven million, seven hundred forty-nine thousand, one hundred thirty-six".