5000399549 has 2 divisors, whose sum is σ = 5000399550. Its totient is φ = 5000399548.

The previous prime is 5000399539. The next prime is 5000399557. The reversal of 5000399549 is 9459930005.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4770664900 + 229734649 = 69070^2 + 15157^2 .

It is a cyclic number.

It is not a de Polignac number, because 5000399549 - 2³² = 705432253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5000399539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2500199774 + 2500199775.

It is an arithmetic number, because the mean of its divisors is an integer number (2500199775).

Almost surely, 2^5000399549 is an apocalyptic number.

It is an amenable number.

5000399549 is a deficient number, since it is larger than the sum of its proper divisors (1).

5000399549 is an equidigital number, since it uses as much as digits as its factorization.

5000399549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 218700, while the sum is 44.

The square root of 5000399549 is about 70713.5033002891. The cubic root of 5000399549 is about 1710.0214934088.

The spelling of 5000399549 in words is "five billion, three hundred ninety-nine thousand, five hundred forty-nine".