49117415681 has 8 divisors (see below), whose sum is σ = 51454300800. Its totient is φ = 46823409360.

The previous prime is 49117415671. The next prime is 49117415687. The reversal of 49117415681 is 18651471194.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49117415681 - 2¹⁰ = 49117414657 is a prime.

It is a super-2 number, since 2×49117415681² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (49117415687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10717355 + ... + 10721936.

It is an arithmetic number, because the mean of its divisors is an integer number (6431787600).

Almost surely, 2^49117415681 is an apocalyptic number.

It is an amenable number.

49117415681 is a deficient number, since it is larger than the sum of its proper divisors (2336885119).

49117415681 is a wasteful number, since it uses less digits than its factorization.

49117415681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21439399.

The product of its digits is 241920, while the sum is 47.

The spelling of 49117415681 in words is "forty-nine billion, one hundred seventeen million, four hundred fifteen thousand, six hundred eighty-one".