42357855493 has 8 divisors (see below), whose sum is σ = 44272332288. Its totient is φ = 40449447984.

The previous prime is 42357855457. The next prime is 42357855541. The reversal of 42357855493 is 39455875324.

42357855493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42357855493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42357855433) 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, 1503046 + ... + 1530967.

It is an arithmetic number, because the mean of its divisors is an integer number (5534041536).

Almost surely, 2^42357855493 is an apocalyptic number.

It is an amenable number.

42357855493 is a deficient number, since it is larger than the sum of its proper divisors (1914476795).

42357855493 is a wasteful number, since it uses less digits than its factorization.

42357855493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3034643.

The product of its digits is 18144000, while the sum is 55.

The spelling of 42357855493 in words is "forty-two billion, three hundred fifty-seven million, eight hundred fifty-five thousand, four hundred ninety-three".