2638750803 has 32 divisors (see below), whose sum is σ = 3993675840. Its totient is φ = 1538234880.

The previous prime is 2638750789. The next prime is 2638750823. The reversal of 2638750803 is 3080578362.

It is not a de Polignac number, because 2638750803 - 2⁴ = 2638750787 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2638750823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37933 + ... + 81953.

It is an arithmetic number, because the mean of its divisors is an integer number (124802370).

Almost surely, 2^2638750803 is an apocalyptic number.

2638750803 is a deficient number, since it is larger than the sum of its proper divisors (1354925037).

2638750803 is a wasteful number, since it uses less digits than its factorization.

2638750803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44119.

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 2638750803 is about 51368.7726444773. The cubic root of 2638750803 is about 1381.8666196916.

The spelling of 2638750803 in words is "two billion, six hundred thirty-eight million, seven hundred fifty thousand, eight hundred three".