2898443749381 has 2 divisors, whose sum is σ = 2898443749382. Its totient is φ = 2898443749380.

The previous prime is 2898443749349. The next prime is 2898443749391. The reversal of 2898443749381 is 1839473448982.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1941048036225 + 957395713156 = 1393215^2 + 978466^2 .

It is a cyclic number.

It is not a de Polignac number, because 2898443749381 - 2⁵ = 2898443749349 is a prime.

It is a super-2 number, since 2×2898443749381² (a number of 26 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 2898443749381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2898443749391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1449221874690 + 1449221874691.

It is an arithmetic number, because the mean of its divisors is an integer number (1449221874691).

Almost surely, 2^{2898443749381} is an apocalyptic number.

It is an amenable number.

2898443749381 is a deficient number, since it is larger than the sum of its proper divisors (1).

2898443749381 is an equidigital number, since it uses as much as digits as its factorization.

2898443749381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 334430208, while the sum is 70.

The spelling of 2898443749381 in words is "two trillion, eight hundred ninety-eight billion, four hundred forty-three million, seven hundred forty-nine thousand, three hundred eighty-one".