42503522279 has 2 divisors, whose sum is σ = 42503522280. Its totient is φ = 42503522278.

The previous prime is 42503522143. The next prime is 42503522333. The reversal of 42503522279 is 97222530524.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42503522279 - 2²⁸ = 42235086823 is a prime.

It is a super-2 number, since 2×42503522279² (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 (42503522879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21251761139 + 21251761140.

It is an arithmetic number, because the mean of its divisors is an integer number (21251761140).

Almost surely, 2^42503522279 is an apocalyptic number.

42503522279 is a deficient number, since it is larger than the sum of its proper divisors (1).

42503522279 is an equidigital number, since it uses as much as digits as its factorization.

42503522279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 302400, while the sum is 41.

The spelling of 42503522279 in words is "forty-two billion, five hundred three million, five hundred twenty-two thousand, two hundred seventy-nine".