2965631409 has 12 divisors (see below), whose sum is σ = 4613204596. Its totient is φ = 1825003872.

The previous prime is 2965631371. The next prime is 2965631411. The reversal of 2965631409 is 9041365692.

2965631409 is a `hidden beast` number, since 2 + 9 + 6 + 5 + 631 + 4 + 0 + 9 = 666.

2965631409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 650097009 + 2315534400 = 25497^2 + 48120^2 .

It is not a de Polignac number, because 2965631409 - 2⁷ = 2965631281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2965631489) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12673522 + ... + 12673755.

Almost surely, 2^2965631409 is an apocalyptic number.

It is an amenable number.

2965631409 is a deficient number, since it is larger than the sum of its proper divisors (1647573187).

2965631409 is a wasteful number, since it uses less digits than its factorization.

2965631409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25347296 (or 25347293 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The square root of 2965631409 is about 54457.6111209443. The cubic root of 2965631409 is about 1436.7208384340.

The spelling of 2965631409 in words is "two billion, nine hundred sixty-five million, six hundred thirty-one thousand, four hundred nine".