447709445552231 has 2 divisors, whose sum is σ = 447709445552232. Its totient is φ = 447709445552230.

The previous prime is 447709445552177. The next prime is 447709445552309. The reversal of 447709445552231 is 132255544907744.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 447709445552231 - 2¹⁸ = 447709445290087 is a prime.

It is a super-2 number, since 2×447709445552231² (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 (447709442552231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223854722776115 + 223854722776116.

It is an arithmetic number, because the mean of its divisors is an integer number (223854722776116).

Almost surely, 2^{447709445552231} is an apocalyptic number.

447709445552231 is a deficient number, since it is larger than the sum of its proper divisors (1).

447709445552231 is an equidigital number, since it uses as much as digits as its factorization.

447709445552231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 169344000, while the sum is 62.

The spelling of 447709445552231 in words is "four hundred forty-seven trillion, seven hundred nine billion, four hundred forty-five million, five hundred fifty-two thousand, two hundred thirty-one".