42312213210439 has 2 divisors, whose sum is σ = 42312213210440. Its totient is φ = 42312213210438.

The previous prime is 42312213210409. The next prime is 42312213210467. The reversal of 42312213210439 is 93401231221324.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42312213210439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42312213210398 and 42312213210407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42312213210409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21156106605219 + 21156106605220.

It is an arithmetic number, because the mean of its divisors is an integer number (21156106605220).

Almost surely, 2^{42312213210439} is an apocalyptic number.

42312213210439 is a deficient number, since it is larger than the sum of its proper divisors (1).

42312213210439 is an equidigital number, since it uses as much as digits as its factorization.

42312213210439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 37.

The spelling of 42312213210439 in words is "forty-two trillion, three hundred twelve billion, two hundred thirteen million, two hundred ten thousand, four hundred thirty-nine".