2449446088891 has 2 divisors, whose sum is σ = 2449446088892. Its totient is φ = 2449446088890.

The previous prime is 2449446088879. The next prime is 2449446088963. The reversal of 2449446088891 is 1988806449442.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2449446088891 - 2⁹ = 2449446088379 is a prime.

It is a super-3 number, since 3×2449446088891³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (2449446088091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1224723044445 + 1224723044446.

It is an arithmetic number, because the mean of its divisors is an integer number (1224723044446).

Almost surely, 2^{2449446088891} is an apocalyptic number.

2449446088891 is a deficient number, since it is larger than the sum of its proper divisors (1).

2449446088891 is an equidigital number, since it uses as much as digits as its factorization.

2449446088891 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 127401984, while the sum is 67.

The spelling of 2449446088891 in words is "two trillion, four hundred forty-nine billion, four hundred forty-six million, eighty-eight thousand, eight hundred ninety-one".