473153133623721 has 4 divisors (see below), whose sum is σ = 630870844831632. Its totient is φ = 315435422415812.

The previous prime is 473153133623699. The next prime is 473153133623789. The reversal of 473153133623721 is 127326331351374.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 473153133623721 - 2¹³ = 473153133615529 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (473153133623221) 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, 78858855603951 + ... + 78858855603956.

It is an arithmetic number, because the mean of its divisors is an integer number (157717711207908).

Almost surely, 2^{473153133623721} is an apocalyptic number.

It is an amenable number.

473153133623721 is a deficient number, since it is larger than the sum of its proper divisors (157717711207911).

473153133623721 is a wasteful number, since it uses less digits than its factorization.

473153133623721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157717711207910.

The product of its digits is 5715360, while the sum is 51.

The spelling of 473153133623721 in words is "four hundred seventy-three trillion, one hundred fifty-three billion, one hundred thirty-three million, six hundred twenty-three thousand, seven hundred twenty-one".