2905636490 has 16 divisors (see below), whose sum is σ = 5328828648. Its totient is φ = 1140325056.

The previous prime is 2905636457. The next prime is 2905636493. The reversal of 2905636490 is 946365092.

2905636490 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 4 ways, for example, as 2017536889 + 888099601 = 44917^2 + 29801^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2905636493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2740637 + ... + 2741696.

Almost surely, 2^2905636490 is an apocalyptic number.

2905636490 is a deficient number, since it is larger than the sum of its proper divisors (2423192158).

2905636490 is a wasteful number, since it uses less digits than its factorization.

2905636490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5482393.

The product of its (nonzero) digits is 349920, while the sum is 44.

The square root of 2905636490 is about 53903.9561627901. The cubic root of 2905636490 is about 1426.9664432384.

The spelling of 2905636490 in words is "two billion, nine hundred five million, six hundred thirty-six thousand, four hundred ninety".