446807129384513 has 2 divisors, whose sum is σ = 446807129384514. Its totient is φ = 446807129384512.

The previous prime is 446807129384507. The next prime is 446807129384533. The reversal of 446807129384513 is 315483921708644.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 280963034850304 + 165844094534209 = 16761952^2 + 12878047^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-446807129384513 is a prime.

It is a super-2 number, since 2×446807129384513² (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 446807129384513.

It is not a weakly prime, because it can be changed into another prime (446807129384533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223403564692256 + 223403564692257.

It is an arithmetic number, because the mean of its divisors is an integer number (223403564692257).

It is a 2-persistent number, because it is pandigital, and so is 2⋅446807129384513 = 893614258769026, but 3⋅446807129384513 = 1340421388153539 is not.

Almost surely, 2^{446807129384513} is an apocalyptic number.

It is an amenable number.

446807129384513 is a deficient number, since it is larger than the sum of its proper divisors (1).

446807129384513 is an equidigital number, since it uses as much as digits as its factorization.

446807129384513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 139345920, while the sum is 65.

The spelling of 446807129384513 in words is "four hundred forty-six trillion, eight hundred seven billion, one hundred twenty-nine million, three hundred eighty-four thousand, five hundred thirteen".