42869998099 has 2 divisors, whose sum is σ = 42869998100. Its totient is φ = 42869998098.

The previous prime is 42869998027. The next prime is 42869998109. The reversal of 42869998099 is 99089996824.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42869998099 - 2¹¹ = 42869996051 is a prime.

It is a super-2 number, since 2×42869998099² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42869998499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21434999049 + 21434999050.

It is an arithmetic number, because the mean of its divisors is an integer number (21434999050).

Almost surely, 2^42869998099 is an apocalyptic number.

42869998099 is a deficient number, since it is larger than the sum of its proper divisors (1).

42869998099 is an equidigital number, since it uses as much as digits as its factorization.

42869998099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181398528, while the sum is 73.

The spelling of 42869998099 in words is "forty-two billion, eight hundred sixty-nine million, nine hundred ninety-eight thousand, ninety-nine".