51703440794 has 8 divisors (see below), whose sum is σ = 81637011840. Its totient is φ = 24491103516.

The previous prime is 51703440791. The next prime is 51703440821. The reversal of 51703440794 is 49704430715.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (51703440791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 680308394 + ... + 680308469.

It is an arithmetic number, because the mean of its divisors is an integer number (10204626480).

Almost surely, 2^51703440794 is an apocalyptic number.

51703440794 is a deficient number, since it is larger than the sum of its proper divisors (29933571046).

51703440794 is a wasteful number, since it uses less digits than its factorization.

51703440794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360616884.

The product of its (nonzero) digits is 423360, while the sum is 44.

The spelling of 51703440794 in words is "fifty-one billion, seven hundred three million, four hundred forty thousand, seven hundred ninety-four".