42308098081 has 4 divisors (see below), whose sum is σ = 42392210112. Its totient is φ = 42223986052.

The previous prime is 42308098061. The next prime is 42308098093. The reversal of 42308098081 is 18089080324.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42308098081 - 2¹⁹ = 42307573793 is a prime.

It is a super-2 number, since 2×42308098081² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42308098061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42055261 + ... + 42056266.

It is an arithmetic number, because the mean of its divisors is an integer number (10598052528).

Almost surely, 2^42308098081 is an apocalyptic number.

It is an amenable number.

42308098081 is a deficient number, since it is larger than the sum of its proper divisors (84112031).

42308098081 is an equidigital number, since it uses as much as digits as its factorization.

42308098081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84112030.

The product of its (nonzero) digits is 110592, while the sum is 43.

The spelling of 42308098081 in words is "forty-two billion, three hundred eight million, ninety-eight thousand, eighty-one".