42397248773 has 4 divisors (see below), whose sum is σ = 46251544128. Its totient is φ = 38542953420.

The previous prime is 42397248763. The next prime is 42397248827. The reversal of 42397248773 is 37784279324.

42397248773 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42397248773 - 2⁴ = 42397248757 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 (42397248763) 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, 1927147661 + ... + 1927147682.

It is an arithmetic number, because the mean of its divisors is an integer number (11562886032).

Almost surely, 2^42397248773 is an apocalyptic number.

It is an amenable number.

42397248773 is a deficient number, since it is larger than the sum of its proper divisors (3854295355).

42397248773 is a wasteful number, since it uses less digits than its factorization.

42397248773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3854295354.

The product of its digits is 14224896, while the sum is 56.

The spelling of 42397248773 in words is "forty-two billion, three hundred ninety-seven million, two hundred forty-eight thousand, seven hundred seventy-three".