49182111409 has 4 divisors (see below), whose sum is σ = 52075176804. Its totient is φ = 46289046016.

The previous prime is 49182111383. The next prime is 49182111437. The reversal of 49182111409 is 90411128194.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28165230625 + 21016880784 = 167825^2 + 144972^2 .

It is a cyclic number.

It is not a de Polignac number, because 49182111409 - 2⁹ = 49182110897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49182112409) 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 3 ways as a sum of consecutive naturals, for example, 1446532672 + ... + 1446532705.

It is an arithmetic number, because the mean of its divisors is an integer number (13018794201).

Almost surely, 2^49182111409 is an apocalyptic number.

It is an amenable number.

49182111409 is a deficient number, since it is larger than the sum of its proper divisors (2893065395).

49182111409 is a wasteful number, since it uses less digits than its factorization.

49182111409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2893065394.

The product of its (nonzero) digits is 20736, while the sum is 40.

The spelling of 49182111409 in words is "forty-nine billion, one hundred eighty-two million, one hundred eleven thousand, four hundred nine".