2899143749 has 2 divisors, whose sum is σ = 2899143750. Its totient is φ = 2899143748.

The previous prime is 2899143719. The next prime is 2899143791. The reversal of 2899143749 is 9473419982.

2899143749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2719101025 + 180042724 = 52145^2 + 13418^2 .

It is a cyclic number.

It is not a de Polignac number, because 2899143749 - 2²⁴ = 2882366533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2899143694 and 2899143703.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2899143719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1449571874 + 1449571875.

It is an arithmetic number, because the mean of its divisors is an integer number (1449571875).

Almost surely, 2^2899143749 is an apocalyptic number.

It is an amenable number.

2899143749 is a deficient number, since it is larger than the sum of its proper divisors (1).

2899143749 is an equidigital number, since it uses as much as digits as its factorization.

2899143749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3919104, while the sum is 56.

The square root of 2899143749 is about 53843.6973934740. The cubic root of 2899143749 is about 1425.9027826521.

The spelling of 2899143749 in words is "two billion, eight hundred ninety-nine million, one hundred forty-three thousand, seven hundred forty-nine".