42638759196223 has 2 divisors, whose sum is σ = 42638759196224. Its totient is φ = 42638759196222.

The previous prime is 42638759196193. The next prime is 42638759196251. The reversal of 42638759196223 is 32269195783624.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42638759196223 - 2¹³ = 42638759188031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42638759196923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21319379598111 + 21319379598112.

It is an arithmetic number, because the mean of its divisors is an integer number (21319379598112).

Almost surely, 2^{42638759196223} is an apocalyptic number.

42638759196223 is a deficient number, since it is larger than the sum of its proper divisors (1).

42638759196223 is an equidigital number, since it uses as much as digits as its factorization.

42638759196223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 235146240, while the sum is 67.

The spelling of 42638759196223 in words is "forty-two trillion, six hundred thirty-eight billion, seven hundred fifty-nine million, one hundred ninety-six thousand, two hundred twenty-three".