49998493 has 2 divisors, whose sum is σ = 49998494. Its totient is φ = 49998492.

The previous prime is 49998491. The next prime is 49998511. The reversal of 49998493 is 39489994.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49042009 + 956484 = 7003^2 + 978^2 .

It is a cyclic number.

It is not a de Polignac number, because 49998493 - 2¹ = 49998491 is a prime.

Together with 49998491, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49998491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24999246 + 24999247.

It is an arithmetic number, because the mean of its divisors is an integer number (24999247).

Almost surely, 2^49998493 is an apocalyptic number.

It is an amenable number.

49998493 is a deficient number, since it is larger than the sum of its proper divisors (1).

49998493 is an equidigital number, since it uses as much as digits as its factorization.

49998493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2519424, while the sum is 55.

The square root of 49998493 is about 7070.9612500706. The cubic root of 49998493 is about 368.3994486032.

The spelling of 49998493 in words is "forty-nine million, nine hundred ninety-eight thousand, four hundred ninety-three".