49042194871 has 2 divisors, whose sum is σ = 49042194872. Its totient is φ = 49042194870.

The previous prime is 49042194853. The next prime is 49042194911. The reversal of 49042194871 is 17849124094.

It is a happy number.

49042194871 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 49042194871 - 2³¹ = 46894711223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49042194571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24521097435 + 24521097436.

It is an arithmetic number, because the mean of its divisors is an integer number (24521097436).

Almost surely, 2^49042194871 is an apocalyptic number.

49042194871 is a deficient number, since it is larger than the sum of its proper divisors (1).

49042194871 is an equidigital number, since it uses as much as digits as its factorization.

49042194871 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 580608, while the sum is 49.

The spelling of 49042194871 in words is "forty-nine billion, forty-two million, one hundred ninety-four thousand, eight hundred seventy-one".