49998743 has 2 divisors, whose sum is σ = 49998744. Its totient is φ = 49998742.

The previous prime is 49998727. The next prime is 49998749. The reversal of 49998743 is 34789994.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49998743 - 2⁴ = 49998727 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49998749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24999371 + 24999372.

It is an arithmetic number, because the mean of its divisors is an integer number (24999372).

Almost surely, 2^49998743 is an apocalyptic number.

49998743 is a deficient number, since it is larger than the sum of its proper divisors (1).

49998743 is an equidigital number, since it uses as much as digits as its factorization.

49998743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1959552, while the sum is 53.

The square root of 49998743 is about 7070.9789279844. The cubic root of 49998743 is about 368.4000626198.

The spelling of 49998743 in words is "forty-nine million, nine hundred ninety-eight thousand, seven hundred forty-three".