469531400447 has 4 divisors (see below), whose sum is σ = 474180226296. Its totient is φ = 464882574600.

The previous prime is 469531400357. The next prime is 469531400461. The reversal of 469531400447 is 744004135964.

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 469531400447 - 2³⁰ = 468457658623 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 (469531400467) 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, 2324412773 + ... + 2324412974.

It is an arithmetic number, because the mean of its divisors is an integer number (118545056574).

Almost surely, 2^469531400447 is an apocalyptic number.

469531400447 is a deficient number, since it is larger than the sum of its proper divisors (4648825849).

469531400447 is a wasteful number, since it uses less digits than its factorization.

469531400447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4648825848.

The product of its (nonzero) digits is 1451520, while the sum is 47.

The spelling of 469531400447 in words is "four hundred sixty-nine billion, five hundred thirty-one million, four hundred thousand, four hundred forty-seven".