51626453243 has 2 divisors, whose sum is σ = 51626453244. Its totient is φ = 51626453242.

The previous prime is 51626453227. The next prime is 51626453251. The reversal of 51626453243 is 34235462615.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51626453243 - 2⁴ = 51626453227 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51626453243.

It is not a weakly prime, because it can be changed into another prime (51626456243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25813226621 + 25813226622.

It is an arithmetic number, because the mean of its divisors is an integer number (25813226622).

Almost surely, 2^51626453243 is an apocalyptic number.

51626453243 is a deficient number, since it is larger than the sum of its proper divisors (1).

51626453243 is an equidigital number, since it uses as much as digits as its factorization.

51626453243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 518400, while the sum is 41.

The spelling of 51626453243 in words is "fifty-one billion, six hundred twenty-six million, four hundred fifty-three thousand, two hundred forty-three".