2903381643 has 16 divisors (see below), whose sum is σ = 3900266496. Its totient is φ = 1921065600.

The previous prime is 2903381633. The next prime is 2903381651. The reversal of 2903381643 is 3461833092.

It is not a de Polignac number, because 2903381643 - 2⁸ = 2903381387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2903381633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 701446 + ... + 705572.

It is an arithmetic number, because the mean of its divisors is an integer number (243766656).

Almost surely, 2^2903381643 is an apocalyptic number.

2903381643 is a deficient number, since it is larger than the sum of its proper divisors (996884853).

2903381643 is a wasteful number, since it uses less digits than its factorization.

2903381643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5834.

The product of its (nonzero) digits is 93312, while the sum is 39.

The square root of 2903381643 is about 53883.0366905949. The cubic root of 2903381643 is about 1426.5972270977.

The spelling of 2903381643 in words is "two billion, nine hundred three million, three hundred eighty-one thousand, six hundred forty-three".