549209967461 has 4 divisors (see below), whose sum is σ = 549223481472. Its totient is φ = 549196453452.

The previous prime is 549209967437. The next prime is 549209967469. The reversal of 549209967461 is 164769902945.

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.

It is a cyclic number.

It is not a de Polignac number, because 549209967461 - 2¹⁴ = 549209951077 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 549209967394 and 549209967403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549209967469) 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, 6695861 + ... + 6777386.

It is an arithmetic number, because the mean of its divisors is an integer number (137305870368).

Almost surely, 2^549209967461 is an apocalyptic number.

It is an amenable number.

549209967461 is a deficient number, since it is larger than the sum of its proper divisors (13514011).

549209967461 is a wasteful number, since it uses less digits than its factorization.

549209967461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13514010.

The product of its (nonzero) digits is 29393280, while the sum is 62.

The spelling of 549209967461 in words is "five hundred forty-nine billion, two hundred nine million, nine hundred sixty-seven thousand, four hundred sixty-one".