49946439143 has 2 divisors, whose sum is σ = 49946439144. Its totient is φ = 49946439142.

The previous prime is 49946439139. The next prime is 49946439173. The reversal of 49946439143 is 34193464994.

It is a happy number.

49946439143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49946439143 - 2² = 49946439139 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49946439173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24973219571 + 24973219572.

It is an arithmetic number, because the mean of its divisors is an integer number (24973219572).

Almost surely, 2^49946439143 is an apocalyptic number.

49946439143 is a deficient number, since it is larger than the sum of its proper divisors (1).

49946439143 is an equidigital number, since it uses as much as digits as its factorization.

49946439143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10077696, while the sum is 56.

The spelling of 49946439143 in words is "forty-nine billion, nine hundred forty-six million, four hundred thirty-nine thousand, one hundred forty-three".