4649139899 has 2 divisors, whose sum is σ = 4649139900. Its totient is φ = 4649139898.

The previous prime is 4649139881. The next prime is 4649139931. The reversal of 4649139899 is 9989319464.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4649139899 is a prime.

It is a super-2 number, since 2×4649139899² = 43229003600947460402, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4649139829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2324569949 + 2324569950.

It is an arithmetic number, because the mean of its divisors is an integer number (2324569950).

Almost surely, 2^4649139899 is an apocalyptic number.

4649139899 is a deficient number, since it is larger than the sum of its proper divisors (1).

4649139899 is an equidigital number, since it uses as much as digits as its factorization.

4649139899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15116544, while the sum is 62.

The square root of 4649139899 is about 68184.6016267603. The cubic root of 4649139899 is about 1669.0046178482.

The spelling of 4649139899 in words is "four billion, six hundred forty-nine million, one hundred thirty-nine thousand, eight hundred ninety-nine".