42917751556 has 9 divisors (see below), whose sum is σ = 75106790311. Its totient is φ = 21458668612.

The previous prime is 42917751529. The next prime is 42917751563. The reversal of 42917751556 is 65515771924.

The square root of 42917751556 is 207166.

It is a perfect power (a square), and thus also a powerful number.

42917751556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×42917751556² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 362541 + ... + 466123.

Almost surely, 2^42917751556 is an apocalyptic number.

42917751556 is the 207166-th square number.

It is an amenable number.

42917751556 is a deficient number, since it is larger than the sum of its proper divisors (32189038755).

42917751556 is an frugal number, since it uses more digits than its factorization.

42917751556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207170 (or 103585 counting only the distinct ones).

The product of its digits is 2646000, while the sum is 52.

The spelling of 42917751556 in words is "forty-two billion, nine hundred seventeen million, seven hundred fifty-one thousand, five hundred fifty-six".