549625439967 has 4 divisors (see below), whose sum is σ = 732833919960. Its totient is φ = 366416959976.

The previous prime is 549625439941. The next prime is 549625439989. The reversal of 549625439967 is 769934526945.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 549625439967 - 2²⁰ = 549624391391 is a prime.

It is a super-2 number, since 2×549625439967² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549625439917) 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, 91604239992 + ... + 91604239997.

It is an arithmetic number, because the mean of its divisors is an integer number (183208479990).

Almost surely, 2^549625439967 is an apocalyptic number.

549625439967 is a deficient number, since it is larger than the sum of its proper divisors (183208479993).

549625439967 is a wasteful number, since it uses less digits than its factorization.

549625439967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183208479992.

The product of its digits is 440899200, while the sum is 69.

The spelling of 549625439967 in words is "five hundred forty-nine billion, six hundred twenty-five million, four hundred thirty-nine thousand, nine hundred sixty-seven".