742087317239 has 2 divisors, whose sum is σ = 742087317240. Its totient is φ = 742087317238.

The previous prime is 742087317203. The next prime is 742087317269. The reversal of 742087317239 is 932713780247.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-742087317239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (742087317269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371043658619 + 371043658620.

It is an arithmetic number, because the mean of its divisors is an integer number (371043658620).

Almost surely, 2^742087317239 is an apocalyptic number.

742087317239 is a deficient number, since it is larger than the sum of its proper divisors (1).

742087317239 is an equidigital number, since it uses as much as digits as its factorization.

742087317239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3556224, while the sum is 53.

The spelling of 742087317239 in words is "seven hundred forty-two billion, eighty-seven million, three hundred seventeen thousand, two hundred thirty-nine".