5249229409 has 2 divisors, whose sum is σ = 5249229410. Its totient is φ = 5249229408.

The previous prime is 5249229397. The next prime is 5249229437. The reversal of 5249229409 is 9049229425.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4549097809 + 700131600 = 67447^2 + 26460^2 .

It is a cyclic number.

It is not a de Polignac number, because 5249229409 - 2²¹ = 5247132257 is a prime.

It is not a weakly prime, because it can be changed into another prime (5249220409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2624614704 + 2624614705.

It is an arithmetic number, because the mean of its divisors is an integer number (2624614705).

Almost surely, 2^5249229409 is an apocalyptic number.

It is an amenable number.

5249229409 is a deficient number, since it is larger than the sum of its proper divisors (1).

5249229409 is an equidigital number, since it uses as much as digits as its factorization.

5249229409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 466560, while the sum is 46.

The square root of 5249229409 is about 72451.5659527108. The cubic root of 5249229409 is about 1737.9282835254.

The spelling of 5249229409 in words is "five billion, two hundred forty-nine million, two hundred twenty-nine thousand, four hundred nine".