42869725191 has 12 divisors (see below), whose sum is σ = 63920450880. Its totient is φ = 27657887040.

The previous prime is 42869725141. The next prime is 42869725201. The reversal of 42869725191 is 19152796824.

It is a happy number.

42869725191 is a `hidden beast` number, since 42 + 86 + 9 + 7 + 2 + 519 + 1 = 666.

42869725191 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42869725191 - 2⁶ = 42869725127 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42869725111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76827186 + ... + 76827743.

It is an arithmetic number, because the mean of its divisors is an integer number (5326704240).

Almost surely, 2^42869725191 is an apocalyptic number.

42869725191 is a deficient number, since it is larger than the sum of its proper divisors (21050725689).

42869725191 is a wasteful number, since it uses less digits than its factorization.

42869725191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153654966 (or 153654963 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 54.

The spelling of 42869725191 in words is "forty-two billion, eight hundred sixty-nine million, seven hundred twenty-five thousand, one hundred ninety-one".