51330663363243 has 32 divisors (see below), whose sum is σ = 76322312801280. Its totient is φ = 30424703110560.

The previous prime is 51330663363229. The next prime is 51330663363251. The reversal of 51330663363243 is 34236336603315.

It is a happy number.

It is not a de Polignac number, because 51330663363243 - 2⁶ = 51330663363179 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51330663363192 and 51330663363201.

It is not an unprimeable number, because it can be changed into a prime (51330663363253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83203605 + ... + 83818262.

It is an arithmetic number, because the mean of its divisors is an integer number (2385072275040).

Almost surely, 2^{51330663363243} is an apocalyptic number.

51330663363243 is a deficient number, since it is larger than the sum of its proper divisors (24991649438037).

51330663363243 is a wasteful number, since it uses less digits than its factorization.

51330663363243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167022087.

The product of its (nonzero) digits is 6298560, while the sum is 48.

Adding to 51330663363243 its reverse (34236336603315), we get a palindrome (85566999966558).

The spelling of 51330663363243 in words is "fifty-one trillion, three hundred thirty billion, six hundred sixty-three million, three hundred sixty-three thousand, two hundred forty-three".