549250591497 has 16 divisors (see below), whose sum is σ = 752155288512. Its totient is φ = 356257224000.

The previous prime is 549250591469. The next prime is 549250591499. The reversal of 549250591497 is 794195052945.

It is a happy number.

It is not a de Polignac number, because 549250591497 - 2¹⁹ = 549250067209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 549250591497.

It is not an unprimeable number, because it can be changed into a prime (549250591499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3477747 + ... + 3632247.

It is an arithmetic number, because the mean of its divisors is an integer number (47009705532).

Almost surely, 2^549250591497 is an apocalyptic number.

It is an amenable number.

549250591497 is a deficient number, since it is larger than the sum of its proper divisors (202904697015).

549250591497 is a wasteful number, since it uses less digits than its factorization.

549250591497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186568.

The product of its (nonzero) digits is 20412000, while the sum is 60.

The spelling of 549250591497 in words is "five hundred forty-nine billion, two hundred fifty million, five hundred ninety-one thousand, four hundred ninety-seven".