42198226993 has 8 divisors (see below), whose sum is σ = 46189232936. Its totient is φ = 38313648000.

The previous prime is 42198226991. The next prime is 42198226997. The reversal of 42198226993 is 39962289124.

42198226993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 8304312384 + 33893914609 = 91128^2 + 184103^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42198226993 - 2¹ = 42198226991 is a prime.

It is a super-2 number, since 2×42198226993² (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 (42198226991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26605908 + ... + 26607493.

It is an arithmetic number, because the mean of its divisors is an integer number (5773654117).

Almost surely, 2^42198226993 is an apocalyptic number.

It is an amenable number.

42198226993 is a deficient number, since it is larger than the sum of its proper divisors (3991005943).

42198226993 is a wasteful number, since it uses less digits than its factorization.

42198226993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53213475.

The product of its digits is 3359232, while the sum is 55.

The spelling of 42198226993 in words is "forty-two billion, one hundred ninety-eight million, two hundred twenty-six thousand, nine hundred ninety-three".