4640702849 has 2 divisors, whose sum is σ = 4640702850. Its totient is φ = 4640702848.

The previous prime is 4640702819. The next prime is 4640702863. The reversal of 4640702849 is 9482070464.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4640334400 + 368449 = 68120^2 + 607^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4640702849 is a prime.

It is a super-2 number, since 2×4640702849² = 43072245865433433602, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4640702819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2320351424 + 2320351425.

It is an arithmetic number, because the mean of its divisors is an integer number (2320351425).

Almost surely, 2^4640702849 is an apocalyptic number.

It is an amenable number.

4640702849 is a deficient number, since it is larger than the sum of its proper divisors (1).

4640702849 is an equidigital number, since it uses as much as digits as its factorization.

4640702849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 387072, while the sum is 44.

The square root of 4640702849 is about 68122.7043576516. The cubic root of 4640702849 is about 1667.9943949927.

The spelling of 4640702849 in words is "four billion, six hundred forty million, seven hundred two thousand, eight hundred forty-nine".