4149028669 has 2 divisors, whose sum is σ = 4149028670. Its totient is φ = 4149028668.

The previous prime is 4149028607. The next prime is 4149028693. The reversal of 4149028669 is 9668209414.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4096640025 + 52388644 = 64005^2 + 7238^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4149028669 is a prime.

It is a super-2 number, since 2×4149028669² = 34428877792367823122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4149026669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2074514334 + 2074514335.

It is an arithmetic number, because the mean of its divisors is an integer number (2074514335).

Almost surely, 2^4149028669 is an apocalyptic number.

It is an amenable number.

4149028669 is a deficient number, since it is larger than the sum of its proper divisors (1).

4149028669 is an equidigital number, since it uses as much as digits as its factorization.

4149028669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 746496, while the sum is 49.

The square root of 4149028669 is about 64412.9542017753. The cubic root of 4149028669 is about 1606.8751896491.

The spelling of 4149028669 in words is "four billion, one hundred forty-nine million, twenty-eight thousand, six hundred sixty-nine".