549415961497 has 8 divisors (see below), whose sum is σ = 591693330816. Its totient is φ = 507140678352.

The previous prime is 549415961441. The next prime is 549415961513. The reversal of 549415961497 is 794169514945.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 549415961497 - 2¹⁹ = 549415437209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (549415961597) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48528 + ... + 1049374.

It is an arithmetic number, because the mean of its divisors is an integer number (73961666352).

Almost surely, 2^549415961497 is an apocalyptic number.

It is an amenable number.

549415961497 is a deficient number, since it is larger than the sum of its proper divisors (42277369319).

549415961497 is a wasteful number, since it uses less digits than its factorization.

549415961497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043087.

The product of its digits is 48988800, while the sum is 64.

The spelling of 549415961497 in words is "five hundred forty-nine billion, four hundred fifteen million, nine hundred sixty-one thousand, four hundred ninety-seven".