42810047099 has 2 divisors, whose sum is σ = 42810047100. Its totient is φ = 42810047098.

The previous prime is 42810047069. The next prime is 42810047123. The reversal of 42810047099 is 99074001824.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42810047099 - 2²⁰ = 42808998523 is a prime.

It is not a weakly prime, because it can be changed into another prime (42810047069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21405023549 + 21405023550.

It is an arithmetic number, because the mean of its divisors is an integer number (21405023550).

Almost surely, 2^42810047099 is an apocalyptic number.

42810047099 is a deficient number, since it is larger than the sum of its proper divisors (1).

42810047099 is an equidigital number, since it uses as much as digits as its factorization.

42810047099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 44.

The spelling of 42810047099 in words is "forty-two billion, eight hundred ten million, forty-seven thousand, ninety-nine".