405975463471 has 4 divisors (see below), whose sum is σ = 408243483000. Its totient is φ = 403707443944.

The previous prime is 405975463463. The next prime is 405975463499. The reversal of 405975463471 is 174364579504.

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

It is a cyclic number.

It is not a de Polignac number, because 405975463471 - 2³ = 405975463463 is a prime.

It is a super-3 number, since 3×405975463471³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405975463441) 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, 1134009496 + ... + 1134009853.

It is an arithmetic number, because the mean of its divisors is an integer number (102060870750).

Almost surely, 2^405975463471 is an apocalyptic number.

405975463471 is a deficient number, since it is larger than the sum of its proper divisors (2268019529).

405975463471 is a wasteful number, since it uses less digits than its factorization.

405975463471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2268019528.

The product of its (nonzero) digits is 12700800, while the sum is 55.

The spelling of 405975463471 in words is "four hundred five billion, nine hundred seventy-five million, four hundred sixty-three thousand, four hundred seventy-one".