475740499493 has 4 divisors (see below), whose sum is σ = 543703428000. Its totient is φ = 407777570988.

The previous prime is 475740499463. The next prime is 475740499499. The reversal of 475740499493 is 394994047574.

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 475740499493 - 2¹⁰ = 475740498469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (475740499499) 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, 33981464243 + ... + 33981464256.

It is an arithmetic number, because the mean of its divisors is an integer number (135925857000).

Almost surely, 2^475740499493 is an apocalyptic number.

It is an amenable number.

475740499493 is a deficient number, since it is larger than the sum of its proper divisors (67962928507).

475740499493 is an equidigital number, since it uses as much as digits as its factorization.

475740499493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67962928506.

The product of its (nonzero) digits is 137168640, while the sum is 65.

The spelling of 475740499493 in words is "four hundred seventy-five billion, seven hundred forty million, four hundred ninety-nine thousand, four hundred ninety-three".