49440002399 has 2 divisors, whose sum is σ = 49440002400. Its totient is φ = 49440002398.

The previous prime is 49440002393. The next prime is 49440002419. The reversal of 49440002399 is 99320004494.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49440002399 - 2¹² = 49439998303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49440002393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24720001199 + 24720001200.

It is an arithmetic number, because the mean of its divisors is an integer number (24720001200).

Almost surely, 2^49440002399 is an apocalyptic number.

49440002399 is a deficient number, since it is larger than the sum of its proper divisors (1).

49440002399 is an equidigital number, since it uses as much as digits as its factorization.

49440002399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 279936, while the sum is 44.

The spelling of 49440002399 in words is "forty-nine billion, four hundred forty million, two thousand, three hundred ninety-nine".