447299701669409 has 2 divisors, whose sum is σ = 447299701669410. Its totient is φ = 447299701669408.

The previous prime is 447299701669397. The next prime is 447299701669451. The reversal of 447299701669409 is 904966107992744.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 444856645140625 + 2443056528784 = 21091625^2 + 1563028^2 .

It is a cyclic number.

It is not a de Polignac number, because 447299701669409 - 2⁴⁴ = 429707515624993 is a prime.

It is a super-2 number, since 2×447299701669409² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 447299701669409.

It is not a weakly prime, because it can be changed into another prime (447299701662409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223649850834704 + 223649850834705.

It is an arithmetic number, because the mean of its divisors is an integer number (223649850834705).

Almost surely, 2^{447299701669409} is an apocalyptic number.

It is an amenable number.

447299701669409 is a deficient number, since it is larger than the sum of its proper divisors (1).

447299701669409 is an equidigital number, since it uses as much as digits as its factorization.

447299701669409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1481421312, while the sum is 77.

The spelling of 447299701669409 in words is "four hundred forty-seven trillion, two hundred ninety-nine billion, seven hundred one million, six hundred sixty-nine thousand, four hundred nine".