49066540489 has 4 divisors (see below), whose sum is σ = 49100782356. Its totient is φ = 49032298624.

The previous prime is 49066540483. The next prime is 49066540507. The reversal of 49066540489 is 98404566094.

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

It can be written as a sum of positive squares in 2 ways, for example, as 23759139600 + 25307400889 = 154140^2 + 159083^2 .

It is a cyclic number.

It is not a de Polignac number, because 49066540489 - 2¹³ = 49066532297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49066540483) 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 3 ways as a sum of consecutive naturals, for example, 17118784 + ... + 17121649.

It is an arithmetic number, because the mean of its divisors is an integer number (12275195589).

Almost surely, 2^49066540489 is an apocalyptic number.

It is an amenable number.

49066540489 is a deficient number, since it is larger than the sum of its proper divisors (34241867).

49066540489 is a wasteful number, since it uses less digits than its factorization.

49066540489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34241866.

The product of its (nonzero) digits is 7464960, while the sum is 55.

The spelling of 49066540489 in words is "forty-nine billion, sixty-six million, five hundred forty thousand, four hundred eighty-nine".