49029029817 has 16 divisors (see below), whose sum is σ = 68099919360. Its totient is φ = 31341427200.

The previous prime is 49029029813. The next prime is 49029029851. The reversal of 49029029817 is 71892092094.

It is not a de Polignac number, because 49029029817 - 2² = 49029029813 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49029029817.

It is not an unprimeable number, because it can be changed into a prime (49029029813) 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, 2408184 + ... + 2428457.

It is an arithmetic number, because the mean of its divisors is an integer number (4256244960).

Almost surely, 2^49029029817 is an apocalyptic number.

It is an amenable number.

49029029817 is a deficient number, since it is larger than the sum of its proper divisors (19070889543).

49029029817 is a wasteful number, since it uses less digits than its factorization.

49029029817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4836784.

The product of its (nonzero) digits is 653184, while the sum is 51.

The spelling of 49029029817 in words is "forty-nine billion, twenty-nine million, twenty-nine thousand, eight hundred seventeen".