473578386261247 has 4 divisors (see below), whose sum is σ = 476032160283520. Its totient is φ = 471124612238976.

The previous prime is 473578386261193. The next prime is 473578386261257. The reversal of 473578386261247 is 742162683875374.

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-473578386261247 is a prime.

It is a super-2 number, since 2×473578386261247² (a number of 30 digits) contains 22 as substring.

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 473578386261247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (473578386261257) 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, 1226887010847 + ... + 1226887011232.

It is an arithmetic number, because the mean of its divisors is an integer number (119008040070880).

Almost surely, 2^{473578386261247} is an apocalyptic number.

473578386261247 is a deficient number, since it is larger than the sum of its proper divisors (2453774022273).

473578386261247 is a wasteful number, since it uses less digits than its factorization.

473578386261247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2453774022272.

The product of its digits is 2275983360, while the sum is 73.

The spelling of 473578386261247 in words is "four hundred seventy-three trillion, five hundred seventy-eight billion, three hundred eighty-six million, two hundred sixty-one thousand, two hundred forty-seven".