49999403 has 2 divisors, whose sum is σ = 49999404. Its totient is φ = 49999402.

The previous prime is 49999387. The next prime is 49999409. The reversal of 49999403 is 30499994.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49999403 - 2⁴ = 49999387 is a prime.

It is not a weakly prime, because it can be changed into another prime (49999409) 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, 24999701 + 24999702.

It is an arithmetic number, because the mean of its divisors is an integer number (24999702).

Almost surely, 2^49999403 is an apocalyptic number.

49999403 is a deficient number, since it is larger than the sum of its proper divisors (1).

49999403 is an equidigital number, since it uses as much as digits as its factorization.

49999403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 314928, while the sum is 47.

The square root of 49999403 is about 7071.0255974646. The cubic root of 49999403 is about 368.4016836137.

The spelling of 49999403 in words is "forty-nine million, nine hundred ninety-nine thousand, four hundred three".