422673734518 has 72 divisors (see below), whose sum is σ = 794377147032. Its totient is φ = 167598281088.

The previous prime is 422673734491. The next prime is 422673734531. The reversal of 422673734518 is 815437376224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5762905 + ... + 5835787.

It is an arithmetic number, because the mean of its divisors is an integer number (11033015931).

Almost surely, 2^422673734518 is an apocalyptic number.

422673734518 is a deficient number, since it is larger than the sum of its proper divisors (371703412514).

422673734518 is a wasteful number, since it uses less digits than its factorization.

422673734518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73034 (or 72968 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 52.

The spelling of 422673734518 in words is "four hundred twenty-two billion, six hundred seventy-three million, seven hundred thirty-four thousand, five hundred eighteen".