444406340136427 has 2 divisors, whose sum is σ = 444406340136428. Its totient is φ = 444406340136426.

The previous prime is 444406340136401. The next prime is 444406340136511. The reversal of 444406340136427 is 724631043604444.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-444406340136427 is a prime.

It is not a weakly prime, because it can be changed into another prime (444406340536427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222203170068213 + 222203170068214.

It is an arithmetic number, because the mean of its divisors is an integer number (222203170068214).

Almost surely, 2^{444406340136427} is an apocalyptic number.

444406340136427 is a deficient number, since it is larger than the sum of its proper divisors (1).

444406340136427 is an equidigital number, since it uses as much as digits as its factorization.

444406340136427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18579456, while the sum is 52.

The spelling of 444406340136427 in words is "four hundred forty-four trillion, four hundred six billion, three hundred forty million, one hundred thirty-six thousand, four hundred twenty-seven".