49181527079 has 4 divisors (see below), whose sum is σ = 49181973384. Its totient is φ = 49181080776.

The previous prime is 49181527067. The next prime is 49181527091. The reversal of 49181527079 is 97072518194.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 97072518194 = 2 ⋅48536259097.

It is an interprime number because it is at equal distance from previous prime (49181527067) and next prime (49181527091).

It is a cyclic number.

It is not a de Polignac number, because 49181527079 - 2¹² = 49181522983 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 49181527079.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49181527019) 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 3 ways as a sum of consecutive naturals, for example, 74369 + ... + 322325.

It is an arithmetic number, because the mean of its divisors is an integer number (12295493346).

Almost surely, 2^49181527079 is an apocalyptic number.

49181527079 is a deficient number, since it is larger than the sum of its proper divisors (446305).

49181527079 is a wasteful number, since it uses less digits than its factorization.

49181527079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446304.

The product of its (nonzero) digits is 1270080, while the sum is 53.

The spelling of 49181527079 in words is "forty-nine billion, one hundred eighty-one million, five hundred twenty-seven thousand, seventy-nine".