42038037551 has 2 divisors, whose sum is σ = 42038037552. Its totient is φ = 42038037550.

The previous prime is 42038037539. The next prime is 42038037553. The reversal of 42038037551 is 15573083024.

42038037551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42038037551 - 2¹⁴ = 42038021167 is a prime.

It is a super-2 number, since 2×42038037551² (a number of 22 digits) contains 22 as substring.

Together with 42038037553, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42038037553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21019018775 + 21019018776.

It is an arithmetic number, because the mean of its divisors is an integer number (21019018776).

Almost surely, 2^42038037551 is an apocalyptic number.

42038037551 is a deficient number, since it is larger than the sum of its proper divisors (1).

42038037551 is an equidigital number, since it uses as much as digits as its factorization.

42038037551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 100800, while the sum is 38.

The spelling of 42038037551 in words is "forty-two billion, thirty-eight million, thirty-seven thousand, five hundred fifty-one".