51612747423 has 8 divisors (see below), whose sum is σ = 68975929008. Its totient is φ = 34329032064.

The previous prime is 51612747413. The next prime is 51612747449. The reversal of 51612747423 is 32474721615.

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

It is not a de Polignac number, because 51612747423 - 2¹² = 51612743327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51612747413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19865040 + ... + 19867637.

It is an arithmetic number, because the mean of its divisors is an integer number (8621991126).

Almost surely, 2^51612747423 is an apocalyptic number.

51612747423 is a deficient number, since it is larger than the sum of its proper divisors (17363181585).

51612747423 is a wasteful number, since it uses less digits than its factorization.

51612747423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39733113.

The product of its digits is 282240, while the sum is 42.

The spelling of 51612747423 in words is "fifty-one billion, six hundred twelve million, seven hundred forty-seven thousand, four hundred twenty-three".