42557653471 has 2 divisors, whose sum is σ = 42557653472. Its totient is φ = 42557653470.

The previous prime is 42557653469. The next prime is 42557653507. The reversal of 42557653471 is 17435675524.

42557653471 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 42557653471 - 2¹ = 42557653469 is a prime.

It is a super-3 number, since 3×42557653471³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 42557653469, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42557653421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21278826735 + 21278826736.

It is an arithmetic number, because the mean of its divisors is an integer number (21278826736).

Almost surely, 2^42557653471 is an apocalyptic number.

42557653471 is a deficient number, since it is larger than the sum of its proper divisors (1).

42557653471 is an equidigital number, since it uses as much as digits as its factorization.

42557653471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3528000, while the sum is 49.

The spelling of 42557653471 in words is "forty-two billion, five hundred fifty-seven million, six hundred fifty-three thousand, four hundred seventy-one".