5005437649 has 2 divisors, whose sum is σ = 5005437650. Its totient is φ = 5005437648.

The previous prime is 5005437641. The next prime is 5005437659. The reversal of 5005437649 is 9467345005.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3848961600 + 1156476049 = 62040^2 + 34007^2 .

It is a cyclic number.

It is not a de Polignac number, because 5005437649 - 2³ = 5005437641 is a prime.

It is not a weakly prime, because it can be changed into another prime (5005437641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2502718824 + 2502718825.

It is an arithmetic number, because the mean of its divisors is an integer number (2502718825).

Almost surely, 2^5005437649 is an apocalyptic number.

It is an amenable number.

5005437649 is a deficient number, since it is larger than the sum of its proper divisors (1).

5005437649 is an equidigital number, since it uses as much as digits as its factorization.

5005437649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 453600, while the sum is 43.

The square root of 5005437649 is about 70749.1176552754. The cubic root of 5005437649 is about 1710.5956053650.

The spelling of 5005437649 in words is "five billion, five million, four hundred thirty-seven thousand, six hundred forty-nine".