49512837685 has 8 divisors (see below), whose sum is σ = 59674862520. Its totient is φ = 39437298624.

The previous prime is 49512837629. The next prime is 49512837697. The reversal of 49512837685 is 58673821594.

It can be written as a sum of positive squares in 4 ways, for example, as 29071273009 + 20441564676 = 170503^2 + 142974^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 49512837685 - 2⁷ = 49512837557 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 21620182 + ... + 21622471.

It is an arithmetic number, because the mean of its divisors is an integer number (7459357815).

Almost surely, 2^49512837685 is an apocalyptic number.

It is an amenable number.

49512837685 is a deficient number, since it is larger than the sum of its proper divisors (10162024835).

49512837685 is a wasteful number, since it uses less digits than its factorization.

49512837685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43242887.

The product of its digits is 14515200, while the sum is 58.

The spelling of 49512837685 in words is "forty-nine billion, five hundred twelve million, eight hundred thirty-seven thousand, six hundred eighty-five".