51013373743 has 4 divisors (see below), whose sum is σ = 51015030840. Its totient is φ = 51011716648.

The previous prime is 51013373699. The next prime is 51013373759. The reversal of 51013373743 is 34737331015.

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 51013373743 - 2²⁹ = 50476502831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51013374743) 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, 781480 + ... + 844237.

It is an arithmetic number, because the mean of its divisors is an integer number (12753757710).

Almost surely, 2^51013373743 is an apocalyptic number.

51013373743 is a deficient number, since it is larger than the sum of its proper divisors (1657097).

51013373743 is a wasteful number, since it uses less digits than its factorization.

51013373743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1657096.

The product of its (nonzero) digits is 79380, while the sum is 37.

The spelling of 51013373743 in words is "fifty-one billion, thirteen million, three hundred seventy-three thousand, seven hundred forty-three".