451013313503 has 2 divisors, whose sum is σ = 451013313504. Its totient is φ = 451013313502.

The previous prime is 451013313463. The next prime is 451013313511. The reversal of 451013313503 is 305313310154.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-451013313503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (451013313563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225506656751 + 225506656752.

It is an arithmetic number, because the mean of its divisors is an integer number (225506656752).

Almost surely, 2^451013313503 is an apocalyptic number.

451013313503 is a deficient number, since it is larger than the sum of its proper divisors (1).

451013313503 is an equidigital number, since it uses as much as digits as its factorization.

451013313503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8100, while the sum is 29.

Adding to 451013313503 its reverse (305313310154), we get a palindrome (756326623657).

The spelling of 451013313503 in words is "four hundred fifty-one billion, thirteen million, three hundred thirteen thousand, five hundred three".