742070157105239 has 2 divisors, whose sum is σ = 742070157105240. Its totient is φ = 742070157105238.

The previous prime is 742070157105217. The next prime is 742070157105247. The reversal of 742070157105239 is 932501751070247.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 742070157105239 - 2¹⁶ = 742070157039703 is a prime.

It is a super-2 number, since 2×742070157105239² (a number of 31 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (742070157104239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371035078552619 + 371035078552620.

It is an arithmetic number, because the mean of its divisors is an integer number (371035078552620).

Almost surely, 2^{742070157105239} is an apocalyptic number.

742070157105239 is a deficient number, since it is larger than the sum of its proper divisors (1).

742070157105239 is an equidigital number, since it uses as much as digits as its factorization.

742070157105239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3704400, while the sum is 53.

The spelling of 742070157105239 in words is "seven hundred forty-two trillion, seventy billion, one hundred fifty-seven million, one hundred five thousand, two hundred thirty-nine".