446697626796649 has 2 divisors, whose sum is σ = 446697626796650. Its totient is φ = 446697626796648.

The previous prime is 446697626796647. The next prime is 446697626796683. The reversal of 446697626796649 is 946697626796644.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 384022537899049 + 62675088897600 = 19596493^2 + 7916760^2 .

It is a cyclic number.

It is not a de Polignac number, because 446697626796649 - 2¹ = 446697626796647 is a prime.

Together with 446697626796647, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (446697626796643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223348813398324 + 223348813398325.

It is an arithmetic number, because the mean of its divisors is an integer number (223348813398325).

Almost surely, 2^{446697626796649} is an apocalyptic number.

It is an amenable number.

446697626796649 is a deficient number, since it is larger than the sum of its proper divisors (1).

446697626796649 is an equidigital number, since it uses as much as digits as its factorization.

446697626796649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 213324668928, while the sum is 91.

The spelling of 446697626796649 in words is "four hundred forty-six trillion, six hundred ninety-seven billion, six hundred twenty-six million, seven hundred ninety-six thousand, six hundred forty-nine".