2954689909 has 2 divisors, whose sum is σ = 2954689910. Its totient is φ = 2954689908.

The previous prime is 2954689901. The next prime is 2954689931. The reversal of 2954689909 is 9099864592.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2277389284 + 677300625 = 47722^2 + 26025^2 .

It is a cyclic number.

It is not a de Polignac number, because 2954689909 - 2³ = 2954689901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2954689901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1477344954 + 1477344955.

It is an arithmetic number, because the mean of its divisors is an integer number (1477344955).

Almost surely, 2^2954689909 is an apocalyptic number.

It is an amenable number.

2954689909 is a deficient number, since it is larger than the sum of its proper divisors (1).

2954689909 is an equidigital number, since it uses as much as digits as its factorization.

2954689909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12597120, while the sum is 61.

The square root of 2954689909 is about 54357.0594219371. The cubic root of 2954689909 is about 1434.9517656698.

The spelling of 2954689909 in words is "two billion, nine hundred fifty-four million, six hundred eighty-nine thousand, nine hundred nine".