51244451347 has 8 divisors (see below), whose sum is σ = 55582217712. Its totient is φ = 47053728000.

The previous prime is 51244451317. The next prime is 51244451369. The reversal of 51244451347 is 74315444215.

51244451347 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 51244451347 - 2¹¹ = 51244449299 is a prime.

It is a super-2 number, since 2×51244451347² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51244451317) 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, 36760029 + ... + 36761422.

It is an arithmetic number, because the mean of its divisors is an integer number (6947777214).

Almost surely, 2^51244451347 is an apocalyptic number.

51244451347 is a deficient number, since it is larger than the sum of its proper divisors (4337766365).

51244451347 is a wasteful number, since it uses less digits than its factorization.

51244451347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73521509.

The product of its digits is 268800, while the sum is 40.

The spelling of 51244451347 in words is "fifty-one billion, two hundred forty-four million, four hundred fifty-one thousand, three hundred forty-seven".