42497008343 has 4 divisors (see below), whose sum is σ = 43217296680. Its totient is φ = 41776720008.

The previous prime is 42497008283. The next prime is 42497008361. The reversal of 42497008343 is 34380079424.

42497008343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42497008343 - 2¹² = 42497004247 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42497008294 and 42497008303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42497002343) 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, 360144080 + ... + 360144197.

It is an arithmetic number, because the mean of its divisors is an integer number (10804324170).

Almost surely, 2^42497008343 is an apocalyptic number.

42497008343 is a deficient number, since it is larger than the sum of its proper divisors (720288337).

42497008343 is an equidigital number, since it uses as much as digits as its factorization.

42497008343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720288336.

The product of its (nonzero) digits is 580608, while the sum is 44.

The spelling of 42497008343 in words is "forty-two billion, four hundred ninety-seven million, eight thousand, three hundred forty-three".