451466131211269 has 2 divisors, whose sum is σ = 451466131211270. Its totient is φ = 451466131211268.

The previous prime is 451466131211243. The next prime is 451466131211327. The reversal of 451466131211269 is 962112131664154.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 443635435649025 + 7830695562244 = 21062655^2 + 2798338^2 .

It is a cyclic number.

It is not a de Polignac number, because 451466131211269 - 2¹³ = 451466131203077 is a prime.

It is a super-2 number, since 2×451466131211269² (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 (451466131211209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225733065605634 + 225733065605635.

It is an arithmetic number, because the mean of its divisors is an integer number (225733065605635).

Almost surely, 2^{451466131211269} is an apocalyptic number.

It is an amenable number.

451466131211269 is a deficient number, since it is larger than the sum of its proper divisors (1).

451466131211269 is an equidigital number, since it uses as much as digits as its factorization.

451466131211269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1866240, while the sum is 52.

The spelling of 451466131211269 in words is "four hundred fifty-one trillion, four hundred sixty-six billion, one hundred thirty-one million, two hundred eleven thousand, two hundred sixty-nine".