49814806751 has 4 divisors (see below), whose sum is σ = 50072914752. Its totient is φ = 49556698752.

The previous prime is 49814806747. The next prime is 49814806759. The reversal of 49814806751 is 15760841894.

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 49814806751 - 2² = 49814806747 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49814806693 and 49814806702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49814806759) 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, 129053711 + ... + 129054096.

It is an arithmetic number, because the mean of its divisors is an integer number (12518228688).

Almost surely, 2^49814806751 is an apocalyptic number.

49814806751 is a deficient number, since it is larger than the sum of its proper divisors (258108001).

49814806751 is a wasteful number, since it uses less digits than its factorization.

49814806751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258108000.

The product of its (nonzero) digits is 1935360, while the sum is 53.

The spelling of 49814806751 in words is "forty-nine billion, eight hundred fourteen million, eight hundred six thousand, seven hundred fifty-one".