451683944974013 has 2 divisors, whose sum is σ = 451683944974014. Its totient is φ = 451683944974012.

The previous prime is 451683944973967. The next prime is 451683944974099. The reversal of 451683944974013 is 310479449386154.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 443056906872889 + 8627038101124 = 21048917^2 + 2937182^2 .

It is a cyclic number.

It is not a de Polignac number, because 451683944974013 - 2¹⁶ = 451683944908477 is a prime.

It is a super-2 number, since 2×451683944974013² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (451683904974013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225841972487006 + 225841972487007.

It is an arithmetic number, because the mean of its divisors is an integer number (225841972487007).

Almost surely, 2^{451683944974013} is an apocalyptic number.

It is an amenable number.

451683944974013 is a deficient number, since it is larger than the sum of its proper divisors (1).

451683944974013 is an equidigital number, since it uses as much as digits as its factorization.

451683944974013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 313528320, while the sum is 68.

The spelling of 451683944974013 in words is "four hundred fifty-one trillion, six hundred eighty-three billion, nine hundred forty-four million, nine hundred seventy-four thousand, thirteen".