42239354701 has 2 divisors, whose sum is σ = 42239354702. Its totient is φ = 42239354700.

The previous prime is 42239354671. The next prime is 42239354713. The reversal of 42239354701 is 10745393224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42055345476 + 184009225 = 205074^2 + 13565^2 .

It is a cyclic number.

It is not a de Polignac number, because 42239354701 - 2⁹ = 42239354189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42239354741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21119677350 + 21119677351.

It is an arithmetic number, because the mean of its divisors is an integer number (21119677351).

Almost surely, 2^42239354701 is an apocalyptic number.

It is an amenable number.

42239354701 is a deficient number, since it is larger than the sum of its proper divisors (1).

42239354701 is an equidigital number, since it uses as much as digits as its factorization.

42239354701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 40.

The spelling of 42239354701 in words is "forty-two billion, two hundred thirty-nine million, three hundred fifty-four thousand, seven hundred one".