49057809322787 has 4 divisors (see below), whose sum is σ = 49139436293976. Its totient is φ = 48976182351600.

The previous prime is 49057809322747. The next prime is 49057809322789. The reversal of 49057809322787 is 78722390875094.

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

It is a cyclic number.

It is not a de Polignac number, because 49057809322787 - 2¹⁴ = 49057809306403 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 49057809322787.

It is not an unprimeable number, because it can be changed into a prime (49057809322789) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40813484693 + ... + 40813485894.

It is an arithmetic number, because the mean of its divisors is an integer number (12284859073494).

Almost surely, 2^{49057809322787} is an apocalyptic number.

49057809322787 is a deficient number, since it is larger than the sum of its proper divisors (81626971189).

49057809322787 is an equidigital number, since it uses as much as digits as its factorization.

49057809322787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81626971188.

The product of its (nonzero) digits is 426746880, while the sum is 71.

The spelling of 49057809322787 in words is "forty-nine trillion, fifty-seven billion, eight hundred nine million, three hundred twenty-two thousand, seven hundred eighty-seven".