49647135059 has 4 divisors (see below), whose sum is σ = 49699561704. Its totient is φ = 49594708416.

The previous prime is 49647135037. The next prime is 49647135079. The reversal of 49647135059 is 95053174694.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95053174694 = 2 ⋅47526587347.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49647135059 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 49647135059.

It is not an unprimeable number, because it can be changed into a prime (49647135079) 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, 26211902 + ... + 26213795.

It is an arithmetic number, because the mean of its divisors is an integer number (12424890426).

Almost surely, 2^49647135059 is an apocalyptic number.

49647135059 is a deficient number, since it is larger than the sum of its proper divisors (52426645).

49647135059 is an equidigital number, since it uses as much as digits as its factorization.

49647135059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52426644.

The product of its (nonzero) digits is 4082400, while the sum is 53.

The spelling of 49647135059 in words is "forty-nine billion, six hundred forty-seven million, one hundred thirty-five thousand, fifty-nine".