451827382289 has 2 divisors, whose sum is σ = 451827382290. Its totient is φ = 451827382288.

The previous prime is 451827382277. The next prime is 451827382309. The reversal of 451827382289 is 982283728154.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 436910424064 + 14916958225 = 660992^2 + 122135^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-451827382289 is a prime.

It is a super-2 number, since 2×451827382289² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (451827382249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225913691144 + 225913691145.

It is an arithmetic number, because the mean of its divisors is an integer number (225913691145).

Almost surely, 2^451827382289 is an apocalyptic number.

It is an amenable number.

451827382289 is a deficient number, since it is larger than the sum of its proper divisors (1).

451827382289 is an equidigital number, since it uses as much as digits as its factorization.

451827382289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15482880, while the sum is 59.

The spelling of 451827382289 in words is "four hundred fifty-one billion, eight hundred twenty-seven million, three hundred eighty-two thousand, two hundred eighty-nine".