49289174649 has 60 divisors (see below), whose sum is σ = 86977349712. Its totient is φ = 27574279200.

The previous prime is 49289174603. The next prime is 49289174651. The reversal of 49289174649 is 94647198294.

49289174649 is a `hidden beast` number, since 4 + 92 + 89 + 1 + 7 + 464 + 9 = 666.

It is not a de Polignac number, because 49289174649 - 2²³ = 49280786041 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (49289174699) 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 59 ways as a sum of consecutive naturals, for example, 13087 + ... + 314244.

Almost surely, 2^49289174649 is an apocalyptic number.

It is an amenable number.

49289174649 is a deficient number, since it is larger than the sum of its proper divisors (37688175063).

49289174649 is a wasteful number, since it uses less digits than its factorization.

49289174649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327380 (or 327358 counting only the distinct ones).

The product of its digits is 31352832, while the sum is 63.

The spelling of 49289174649 in words is "forty-nine billion, two hundred eighty-nine million, one hundred seventy-four thousand, six hundred forty-nine".