42364163371949 has 2 divisors, whose sum is σ = 42364163371950. Its totient is φ = 42364163371948.

The previous prime is 42364163371877. The next prime is 42364163371963. The reversal of 42364163371949 is 94917336146324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36205576649449 + 6158586722500 = 6017107^2 + 2481650^2 .

It is a cyclic number.

It is not a de Polignac number, because 42364163371949 - 2¹² = 42364163367853 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42364163371891 and 42364163371900.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42364163371549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21182081685974 + 21182081685975.

It is an arithmetic number, because the mean of its divisors is an integer number (21182081685975).

Almost surely, 2^{42364163371949} is an apocalyptic number.

It is an amenable number.

42364163371949 is a deficient number, since it is larger than the sum of its proper divisors (1).

42364163371949 is an equidigital number, since it uses as much as digits as its factorization.

42364163371949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 70543872, while the sum is 62.

The spelling of 42364163371949 in words is "forty-two trillion, three hundred sixty-four billion, one hundred sixty-three million, three hundred seventy-one thousand, nine hundred forty-nine".