51029702743 has 4 divisors (see below), whose sum is σ = 51342768568. Its totient is φ = 50716636920.

The previous prime is 51029702707. The next prime is 51029702747. The reversal of 51029702743 is 34720792015.

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 51029702743 - 2⁹ = 51029702231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51029702696 and 51029702705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51029702747) 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, 156532668 + ... + 156532993.

It is an arithmetic number, because the mean of its divisors is an integer number (12835692142).

Almost surely, 2^51029702743 is an apocalyptic number.

51029702743 is a deficient number, since it is larger than the sum of its proper divisors (313065825).

51029702743 is a wasteful number, since it uses less digits than its factorization.

51029702743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313065824.

The product of its (nonzero) digits is 105840, while the sum is 40.

The spelling of 51029702743 in words is "fifty-one billion, twenty-nine million, seven hundred two thousand, seven hundred forty-three".