549751214977 has 4 divisors (see below), whose sum is σ = 559069032240. Its totient is φ = 540433397716.

The previous prime is 549751214941. The next prime is 549751214983. The reversal of 549751214977 is 779412157945.

It is a happy number.

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: 779412157945 = 5 ⋅155882431589.

It is a cyclic number.

It is not a de Polignac number, because 549751214977 - 2¹⁵ = 549751182209 is a prime.

It is a super-2 number, since 2×549751214977² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (549751214917) 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, 4658908543 + ... + 4658908660.

It is an arithmetic number, because the mean of its divisors is an integer number (139767258060).

Almost surely, 2^549751214977 is an apocalyptic number.

It is an amenable number.

549751214977 is a deficient number, since it is larger than the sum of its proper divisors (9317817263).

549751214977 is an equidigital number, since it uses as much as digits as its factorization.

549751214977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9317817262.

The product of its digits is 22226400, while the sum is 61.

The spelling of 549751214977 in words is "five hundred forty-nine billion, seven hundred fifty-one million, two hundred fourteen thousand, nine hundred seventy-seven".