42097394833 has 8 divisors (see below), whose sum is σ = 45496996776. Its totient is φ = 38720841600.

The previous prime is 42097394819. The next prime is 42097394839. The reversal of 42097394833 is 33849379024.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 681888769 + 41415506064 = 26113^2 + 203508^2 .

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 42097394833 - 2¹³ = 42097386641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42097394839) 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, 5758378 + ... + 5765683.

It is an arithmetic number, because the mean of its divisors is an integer number (5687124597).

Almost surely, 2^42097394833 is an apocalyptic number.

It is an amenable number.

42097394833 is a deficient number, since it is larger than the sum of its proper divisors (3399601943).

42097394833 is a wasteful number, since it uses less digits than its factorization.

42097394833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11524355.

The product of its (nonzero) digits is 3919104, while the sum is 52.

The spelling of 42097394833 in words is "forty-two billion, ninety-seven million, three hundred ninety-four thousand, eight hundred thirty-three".