4649681039 has 2 divisors, whose sum is σ = 4649681040. Its totient is φ = 4649681038.

The previous prime is 4649681021. The next prime is 4649681059. The reversal of 4649681039 is 9301869464.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4649681039 - 2¹² = 4649676943 is a prime.

It is a super-2 number, since 2×4649681039² = 43239067528872239042, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4649681009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2324840519 + 2324840520.

It is an arithmetic number, because the mean of its divisors is an integer number (2324840520).

Almost surely, 2^4649681039 is an apocalyptic number.

4649681039 is a deficient number, since it is larger than the sum of its proper divisors (1).

4649681039 is an equidigital number, since it uses as much as digits as its factorization.

4649681039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1119744, while the sum is 50.

The square root of 4649681039 is about 68188.5697092995. The cubic root of 4649681039 is about 1669.0693703357.

The spelling of 4649681039 in words is "four billion, six hundred forty-nine million, six hundred eighty-one thousand, thirty-nine".