511342469 has 16 divisors (see below), whose sum is σ = 576149760. Its totient is φ = 449813760.

The previous prime is 511342457. The next prime is 511342511. The reversal of 511342469 is 964243115.

It is not a de Polignac number, because 511342469 - 2⁴ = 511342453 is a prime.

It is a super-2 number, since 2×511342469² = 522942241206031922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (511345469) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40457 + ... + 51569.

It is an arithmetic number, because the mean of its divisors is an integer number (36009360).

Almost surely, 2^511342469 is an apocalyptic number.

It is an amenable number.

511342469 is a deficient number, since it is larger than the sum of its proper divisors (64807291).

511342469 is a wasteful number, since it uses less digits than its factorization.

511342469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11260.

The product of its digits is 25920, while the sum is 35.

The square root of 511342469 is about 22612.8828104689. The cubic root of 511342469 is about 799.6573892308.

The spelling of 511342469 in words is "five hundred eleven million, three hundred forty-two thousand, four hundred sixty-nine".