42743691226 has 16 divisors (see below), whose sum is σ = 69721825896. Its totient is φ = 19571037696.

The previous prime is 42743691217. The next prime is 42743691227. The reversal of 42743691226 is 62219634724.

It can be written as a sum of positive squares in 4 ways, for example, as 37081279225 + 5662412001 = 192565^2 + 75249^2 .

It is not an unprimeable number, because it can be changed into a prime (42743691227) 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, 16987491 + ... + 16990006.

Almost surely, 2^42743691226 is an apocalyptic number.

42743691226 is a deficient number, since it is larger than the sum of its proper divisors (26978134670).

42743691226 is a wasteful number, since it uses less digits than its factorization.

42743691226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33977553.

The product of its digits is 870912, while the sum is 46.

The spelling of 42743691226 in words is "forty-two billion, seven hundred forty-three million, six hundred ninety-one thousand, two hundred twenty-six".