8446149208733 has 2 divisors, whose sum is σ = 8446149208734. Its totient is φ = 8446149208732.

The previous prime is 8446149208729. The next prime is 8446149208741. The reversal of 8446149208733 is 3378029416448.

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., 7866667438564 + 579481770169 = 2804758^2 + 761237^2 .

It is a cyclic number.

It is not a de Polignac number, because 8446149208733 - 2² = 8446149208729 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8446149204733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4223074604366 + 4223074604367.

It is an arithmetic number, because the mean of its divisors is an integer number (4223074604367).

Almost surely, 2^{8446149208733} is an apocalyptic number.

It is an amenable number.

8446149208733 is a deficient number, since it is larger than the sum of its proper divisors (1).

8446149208733 is an equidigital number, since it uses as much as digits as its factorization.

8446149208733 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27869184, while the sum is 59.

The spelling of 8446149208733 in words is "eight trillion, four hundred forty-six billion, one hundred forty-nine million, two hundred eight thousand, seven hundred thirty-three".