42102544567 has 2 divisors, whose sum is σ = 42102544568. Its totient is φ = 42102544566.

The previous prime is 42102544531. The next prime is 42102544579. The reversal of 42102544567 is 76544520124.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42102544567 - 2²³ = 42094155959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42102548567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21051272283 + 21051272284.

It is an arithmetic number, because the mean of its divisors is an integer number (21051272284).

Almost surely, 2^42102544567 is an apocalyptic number.

42102544567 is a deficient number, since it is larger than the sum of its proper divisors (1).

42102544567 is an equidigital number, since it uses as much as digits as its factorization.

42102544567 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 268800, while the sum is 40.

The spelling of 42102544567 in words is "forty-two billion, one hundred two million, five hundred forty-four thousand, five hundred sixty-seven".