42641510239 has 2 divisors, whose sum is σ = 42641510240. Its totient is φ = 42641510238.

The previous prime is 42641510231. The next prime is 42641510243. The reversal of 42641510239 is 93201514624.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42641510239 - 2³ = 42641510231 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42641510198 and 42641510207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42641510231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21320755119 + 21320755120.

It is an arithmetic number, because the mean of its divisors is an integer number (21320755120).

Almost surely, 2^42641510239 is an apocalyptic number.

42641510239 is a deficient number, since it is larger than the sum of its proper divisors (1).

42641510239 is an equidigital number, since it uses as much as digits as its factorization.

42641510239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 42641510239 in words is "forty-two billion, six hundred forty-one million, five hundred ten thousand, two hundred thirty-nine".