451277863013 has 2 divisors, whose sum is σ = 451277863014. Its totient is φ = 451277863012.

The previous prime is 451277863007. The next prime is 451277863039. The reversal of 451277863013 is 310368772154.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 418204075969 + 33073787044 = 646687^2 + 181862^2 .

It is a cyclic number.

It is not a de Polignac number, because 451277863013 - 2²⁰ = 451276814437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (451277863313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225638931506 + 225638931507.

It is an arithmetic number, because the mean of its divisors is an integer number (225638931507).

Almost surely, 2^451277863013 is an apocalyptic number.

It is an amenable number.

451277863013 is a deficient number, since it is larger than the sum of its proper divisors (1).

451277863013 is an equidigital number, since it uses as much as digits as its factorization.

451277863013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 846720, while the sum is 47.

The spelling of 451277863013 in words is "four hundred fifty-one billion, two hundred seventy-seven million, eight hundred sixty-three thousand, thirteen".