42723399274 has 4 divisors (see below), whose sum is σ = 64085098914. Its totient is φ = 21361699636.

The previous prime is 42723399263. The next prime is 42723399281. The reversal of 42723399274 is 47299332724.

42723399274 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 can be written as a sum of positive squares in only one way, i.e., 26959341249 + 15764058025 = 164193^2 + 125555^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10680849817 + ... + 10680849820.

Almost surely, 2^42723399274 is an apocalyptic number.

42723399274 is a deficient number, since it is larger than the sum of its proper divisors (21361699640).

42723399274 is a wasteful number, since it uses less digits than its factorization.

42723399274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21361699639.

The product of its digits is 4572288, while the sum is 52.

The spelling of 42723399274 in words is "forty-two billion, seven hundred twenty-three million, three hundred ninety-nine thousand, two hundred seventy-four".