469721143 has 4 divisors (see below), whose sum is σ = 472180608. Its totient is φ = 467261680.

The previous prime is 469721141. The next prime is 469721177. The reversal of 469721143 is 341127964.

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 469721143 - 2¹ = 469721141 is a prime.

It is a super-3 number, since 3×469721143³ (a number of 27 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 (469721141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1229446 + ... + 1229827.

It is an arithmetic number, because the mean of its divisors is an integer number (118045152).

Almost surely, 2^469721143 is an apocalyptic number.

469721143 is a deficient number, since it is larger than the sum of its proper divisors (2459465).

469721143 is a wasteful number, since it uses less digits than its factorization.

469721143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2459464.

The product of its digits is 36288, while the sum is 37.

The square root of 469721143 is about 21673.0510773172. The cubic root of 469721143 is about 777.3442128155.

The spelling of 469721143 in words is "four hundred sixty-nine million, seven hundred twenty-one thousand, one hundred forty-three".