51794951089 has 4 divisors (see below), whose sum is σ = 59194229824. Its totient is φ = 44395672356.

The previous prime is 51794951077. The next prime is 51794951111. The reversal of 51794951089 is 98015949715.

51794951089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 51794951089 - 2⁹ = 51794950577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51794951189) 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, 3699639357 + ... + 3699639370.

It is an arithmetic number, because the mean of its divisors is an integer number (14798557456).

Almost surely, 2^51794951089 is an apocalyptic number.

It is an amenable number.

51794951089 is a deficient number, since it is larger than the sum of its proper divisors (7399278735).

51794951089 is an equidigital number, since it uses as much as digits as its factorization.

51794951089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7399278734.

The product of its (nonzero) digits is 4082400, while the sum is 58.

The spelling of 51794951089 in words is "fifty-one billion, seven hundred ninety-four million, nine hundred fifty-one thousand, eighty-nine".