49482667809 has 9 divisors (see below), whose sum is σ = 71475928563. Its totient is φ = 32988000312.

The previous prime is 49482667753. The next prime is 49482667813. The reversal of 49482667809 is 90876628494.

The square root of 49482667809 is 222447.

It is a perfect power (a square), and thus also a powerful number.

49482667809 is a `hidden beast` number, since 494 + 8 + 2 + 6 + 67 + 80 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 30222779409 + 19259888400 = 173847^2 + 138780^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 49482667809 - 2⁷ = 49482667681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49482667009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 630267 + ... + 704415.

Almost surely, 2^49482667809 is an apocalyptic number.

49482667809 is the 222447-th square number.

49482667809 is the 111224-th centered octagonal number.

It is an amenable number.

49482667809 is a deficient number, since it is larger than the sum of its proper divisors (21993260754).

49482667809 is an frugal number, since it uses more digits than its factorization.

49482667809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148304 (or 74152 counting only the distinct ones).

The product of its (nonzero) digits is 41803776, while the sum is 63.

The spelling of 49482667809 in words is "forty-nine billion, four hundred eighty-two million, six hundred sixty-seven thousand, eight hundred nine".