451466131211243 has 2 divisors, whose sum is σ = 451466131211244. Its totient is φ = 451466131211242.

The previous prime is 451466131211209. The next prime is 451466131211269. The reversal of 451466131211243 is 342112131664154.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 451466131211243 - 2³² = 451461836243947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 451466131211194 and 451466131211203.

It is not a weakly prime, because it can be changed into another prime (451466131211743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225733065605621 + 225733065605622.

It is an arithmetic number, because the mean of its divisors is an integer number (225733065605622).

Almost surely, 2^{451466131211243} is an apocalyptic number.

451466131211243 is a deficient number, since it is larger than the sum of its proper divisors (1).

451466131211243 is an equidigital number, since it uses as much as digits as its factorization.

451466131211243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 414720, while the sum is 44.

Adding to 451466131211243 its reverse (342112131664154), we get a palindrome (793578262875397).

The spelling of 451466131211243 in words is "four hundred fifty-one trillion, four hundred sixty-six billion, one hundred thirty-one million, two hundred eleven thousand, two hundred forty-three".