42763173556 has 6 divisors (see below), whose sum is σ = 74835553730. Its totient is φ = 21381586776.

The previous prime is 42763173547. The next prime is 42763173581. The reversal of 42763173556 is 65537136724.

It can be written as a sum of positive squares in only one way, i.e., 26663624100 + 16099549456 = 163290^2 + 126884^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5345396691 + ... + 5345396698.

Almost surely, 2^42763173556 is an apocalyptic number.

It is an amenable number.

42763173556 is a deficient number, since it is larger than the sum of its proper divisors (32072380174).

42763173556 is a wasteful number, since it uses less digits than its factorization.

42763173556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10690793393 (or 10690793391 counting only the distinct ones).

The product of its digits is 3175200, while the sum is 49.

The spelling of 42763173556 in words is "forty-two billion, seven hundred sixty-three million, one hundred seventy-three thousand, five hundred fifty-six".