452678322391 has 2 divisors, whose sum is σ = 452678322392. Its totient is φ = 452678322390.

The previous prime is 452678322281. The next prime is 452678322409. The reversal of 452678322391 is 193223876254.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 452678322391 - 2⁷ = 452678322263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (452678352391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226339161195 + 226339161196.

It is an arithmetic number, because the mean of its divisors is an integer number (226339161196).

Almost surely, 2^452678322391 is an apocalyptic number.

452678322391 is a deficient number, since it is larger than the sum of its proper divisors (1).

452678322391 is an equidigital number, since it uses as much as digits as its factorization.

452678322391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4354560, while the sum is 52.

The spelling of 452678322391 in words is "four hundred fifty-two billion, six hundred seventy-eight million, three hundred twenty-two thousand, three hundred ninety-one".