2905653213 has 6 divisors (see below), whose sum is σ = 4197054654. Its totient is φ = 1937102136.

The previous prime is 2905653211. The next prime is 2905653251. The reversal of 2905653213 is 3123565092.

2905653213 is a `hidden beast` number, since 2 + 90 + 565 + 3 + 2 + 1 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2790691929 + 114961284 = 52827^2 + 10722^2 .

It is not a de Polignac number, because 2905653213 - 2¹ = 2905653211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2905653211) 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, 161425170 + ... + 161425187.

It is an arithmetic number, because the mean of its divisors is an integer number (699509109).

Almost surely, 2^2905653213 is an apocalyptic number.

It is an amenable number.

2905653213 is a deficient number, since it is larger than the sum of its proper divisors (1291401441).

2905653213 is a wasteful number, since it uses less digits than its factorization.

2905653213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322850363 (or 322850360 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 36.

The square root of 2905653213 is about 53904.1112810517. Note that the first 3 decimals coincide. The cubic root of 2905653213 is about 1426.9691808043.

The spelling of 2905653213 in words is "two billion, nine hundred five million, six hundred fifty-three thousand, two hundred thirteen".