42005163802099 has 2 divisors, whose sum is σ = 42005163802100. Its totient is φ = 42005163802098.

The previous prime is 42005163802073. The next prime is 42005163802181. The reversal of 42005163802099 is 99020836150024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42005163802099 - 2¹⁹ = 42005163277811 is a prime.

It is not a weakly prime, because it can be changed into another prime (42005163802499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21002581901049 + 21002581901050.

It is an arithmetic number, because the mean of its divisors is an integer number (21002581901050).

Almost surely, 2^{42005163802099} is an apocalyptic number.

42005163802099 is a deficient number, since it is larger than the sum of its proper divisors (1).

42005163802099 is an equidigital number, since it uses as much as digits as its factorization.

42005163802099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 933120, while the sum is 49.

The spelling of 42005163802099 in words is "forty-two trillion, five billion, one hundred sixty-three million, eight hundred two thousand, ninety-nine".