2949189489 has 6 divisors (see below), whose sum is σ = 4259940386. Its totient is φ = 1966126320.

The previous prime is 2949189469. The next prime is 2949189493. The reversal of 2949189489 is 9849819492.

2949189489 is a `hidden beast` number, since 29 + 491 + 89 + 48 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2372469264 + 576720225 = 48708^2 + 24015^2 .

It is not a de Polignac number, because 2949189489 - 2¹⁷ = 2949058417 is a prime.

It is a super-2 number, since 2×2949189489² = 17395437284056162242, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2949189469) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 163843852 + ... + 163843869.

Almost surely, 2^2949189489 is an apocalyptic number.

It is an amenable number.

2949189489 is a deficient number, since it is larger than the sum of its proper divisors (1310750897).

2949189489 is a wasteful number, since it uses less digits than its factorization.

2949189489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327687727 (or 327687724 counting only the distinct ones).

The product of its digits is 13436928, while the sum is 63.

The square root of 2949189489 is about 54306.4405848883. The cubic root of 2949189489 is about 1434.0607821321.

The spelling of 2949189489 in words is "two billion, nine hundred forty-nine million, one hundred eighty-nine thousand, four hundred eighty-nine".