42399476393 has 8 divisors (see below), whose sum is σ = 43304855040. Its totient is φ = 41494233760.

The previous prime is 42399476377. The next prime is 42399476401. The reversal of 42399476393 is 39367499324.

It is a happy number.

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 42399476393 - 2⁴ = 42399476377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42399436393) 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, 825248 + ... + 875118.

It is an arithmetic number, because the mean of its divisors is an integer number (5413106880).

Almost surely, 2^42399476393 is an apocalyptic number.

It is an amenable number.

42399476393 is a deficient number, since it is larger than the sum of its proper divisors (905378647).

42399476393 is a wasteful number, since it uses less digits than its factorization.

42399476393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68007.

The product of its digits is 26453952, while the sum is 59.

The spelling of 42399476393 in words is "forty-two billion, three hundred ninety-nine million, four hundred seventy-six thousand, three hundred ninety-three".