42502023671 has 2 divisors, whose sum is σ = 42502023672. Its totient is φ = 42502023670.

The previous prime is 42502023631. The next prime is 42502023709. The reversal of 42502023671 is 17632020524.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42502023671 is a prime.

It is a super-2 number, since 2×42502023671² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42502023611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21251011835 + 21251011836.

It is an arithmetic number, because the mean of its divisors is an integer number (21251011836).

Almost surely, 2^42502023671 is an apocalyptic number.

42502023671 is a deficient number, since it is larger than the sum of its proper divisors (1).

42502023671 is an equidigital number, since it uses as much as digits as its factorization.

42502023671 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 32.

The spelling of 42502023671 in words is "forty-two billion, five hundred two million, twenty-three thousand, six hundred seventy-one".