42655947291 has 12 divisors (see below), whose sum is σ = 62189980632. Its totient is φ = 28171528416.

The previous prime is 42655947281. The next prime is 42655947293. The reversal of 42655947291 is 19274955624.

It is a happy number.

42655947291 is a `hidden beast` number, since 4 + 26 + 5 + 594 + 7 + 29 + 1 = 666.

It is not a de Polignac number, because 42655947291 - 2⁵ = 42655947259 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (42655947293) 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, 22146466 + ... + 22148391.

It is an arithmetic number, because the mean of its divisors is an integer number (5182498386).

Almost surely, 2^42655947291 is an apocalyptic number.

42655947291 is a deficient number, since it is larger than the sum of its proper divisors (19534033341).

42655947291 is a wasteful number, since it uses less digits than its factorization.

42655947291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44294970 (or 44294967 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 54.

The spelling of 42655947291 in words is "forty-two billion, six hundred fifty-five million, nine hundred forty-seven thousand, two hundred ninety-one".