2949590961 has 6 divisors (see below), whose sum is σ = 4260520290. Its totient is φ = 1966393968.

The previous prime is 2949590947. The next prime is 2949591013. The reversal of 2949590961 is 1690959492.

2949590961 is a `hidden beast` number, since 2 + 9 + 49 + 590 + 9 + 6 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2802114225 + 147476736 = 52935^2 + 12144^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2949590961 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2949590898 and 2949590907.

It is not an unprimeable number, because it can be changed into a prime (2949590911) 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, 163866156 + ... + 163866173.

It is an arithmetic number, because the mean of its divisors is an integer number (710086715).

Almost surely, 2^2949590961 is an apocalyptic number.

It is an amenable number.

2949590961 is a deficient number, since it is larger than the sum of its proper divisors (1310929329).

2949590961 is a wasteful number, since it uses less digits than its factorization.

2949590961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327732335 (or 327732332 counting only the distinct ones).

The product of its (nonzero) digits is 1574640, while the sum is 54.

The square root of 2949590961 is about 54310.1368162519. The cubic root of 2949590961 is about 1434.1258518888.

The spelling of 2949590961 in words is "two billion, nine hundred forty-nine million, five hundred ninety thousand, nine hundred sixty-one".