2645382903 has 8 divisors (see below), whose sum is σ = 3734658288. Its totient is φ = 1659848064.

The previous prime is 2645382899. The next prime is 2645382931. The reversal of 2645382903 is 3092835462.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2645382903 - 2² = 2645382899 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2645386903) 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, 25935076 + ... + 25935177.

It is an arithmetic number, because the mean of its divisors is an integer number (466832286).

Almost surely, 2^2645382903 is an apocalyptic number.

2645382903 is a deficient number, since it is larger than the sum of its proper divisors (1089275385).

2645382903 is a wasteful number, since it uses less digits than its factorization.

2645382903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51870273.

The product of its (nonzero) digits is 311040, while the sum is 42.

The square root of 2645382903 is about 51433.2859440266. The cubic root of 2645382903 is about 1383.0233552060.

The spelling of 2645382903 in words is "two billion, six hundred forty-five million, three hundred eighty-two thousand, nine hundred three".