549376469 has 4 divisors (see below), whose sum is σ = 578291040. Its totient is φ = 520461900.

The previous prime is 549376433. The next prime is 549376517. The reversal of 549376469 is 964673945.

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, and also an emirpimes, since its reverse is a distinct semiprime: 964673945 = 5 ⋅192934789.

It is a cyclic number.

It is not a de Polignac number, because 549376469 - 2²⁸ = 280941013 is a prime.

It is a super-2 number, since 2×549376469² = 603629009381815922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 549376469.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549376409) 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, 14457257 + ... + 14457294.

It is an arithmetic number, because the mean of its divisors is an integer number (144572760).

Almost surely, 2^549376469 is an apocalyptic number.

It is an amenable number.

549376469 is a deficient number, since it is larger than the sum of its proper divisors (28914571).

549376469 is a wasteful number, since it uses less digits than its factorization.

549376469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28914570.

The product of its digits is 4898880, while the sum is 53.

The square root of 549376469 is about 23438.7813036429. The cubic root of 549376469 is about 819.0115340005.

The spelling of 549376469 in words is "five hundred forty-nine million, three hundred seventy-six thousand, four hundred sixty-nine".