549365465 has 24 divisors (see below), whose sum is σ = 751578048. Its totient is φ = 381587360.

The previous prime is 549365459. The next prime is 549365471. The reversal of 549365465 is 564563945.

It is an interprime number because it is at equal distance from previous prime (549365459) and next prime (549365471).

It is not a de Polignac number, because 549365465 - 2¹⁶ = 549299929 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 833306 + ... + 833964.

It is an arithmetic number, because the mean of its divisors is an integer number (31315752).

Almost surely, 2^549365465 is an apocalyptic number.

549365465 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

549365465 is a deficient number, since it is larger than the sum of its proper divisors (202212583).

549365465 is an equidigital number, since it uses as much as digits as its factorization.

549365465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1357 (or 698 counting only the distinct ones).

The product of its digits is 1944000, while the sum is 47.

The square root of 549365465 is about 23438.5465633004. The cubic root of 549365465 is about 819.0060657023.

The spelling of 549365465 in words is "five hundred forty-nine million, three hundred sixty-five thousand, four hundred sixty-five".