49164380817 has 8 divisors (see below), whose sum is σ = 69408537696. Its totient is φ = 30848238912.

The previous prime is 49164380809. The next prime is 49164380819. The reversal of 49164380817 is 71808346194.

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

It is not a de Polignac number, because 49164380817 - 2³ = 49164380809 is a prime.

It is a super-2 number, since 2×49164380817² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51), and also a Moran number because the ratio is a prime number: 964007467 = 49164380817 / (4 + 9 + 1 + 6 + 4 + 3 + 8 + 0 + 8 + 1 + 7).

It is a self number, because there is not a number n which added to its sum of digits gives 49164380817.

It is not an unprimeable number, because it can be changed into a prime (49164380819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 482003683 + ... + 482003784.

It is an arithmetic number, because the mean of its divisors is an integer number (8676067212).

Almost surely, 2^49164380817 is an apocalyptic number.

It is an amenable number.

49164380817 is a deficient number, since it is larger than the sum of its proper divisors (20244156879).

49164380817 is a wasteful number, since it uses less digits than its factorization.

49164380817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964007487.

The product of its (nonzero) digits is 1161216, while the sum is 51.

The spelling of 49164380817 in words is "forty-nine billion, one hundred sixty-four million, three hundred eighty thousand, eight hundred seventeen".