473473173551 has 4 divisors (see below), whose sum is σ = 541112198352. Its totient is φ = 405834148752.

The previous prime is 473473173527. The next prime is 473473173557. The reversal of 473473173551 is 155371374374.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-473473173551 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 473473173551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (473473173557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33819512390 + ... + 33819512403.

It is an arithmetic number, because the mean of its divisors is an integer number (135278049588).

Almost surely, 2^473473173551 is an apocalyptic number.

473473173551 is a deficient number, since it is larger than the sum of its proper divisors (67639024801).

473473173551 is an equidigital number, since it uses as much as digits as its factorization.

473473173551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67639024800.

The product of its digits is 3704400, while the sum is 50.

The spelling of 473473173551 in words is "four hundred seventy-three billion, four hundred seventy-three million, one hundred seventy-three thousand, five hundred fifty-one".