2603968311 has 16 divisors (see below), whose sum is σ = 3990124800. Its totient is φ = 1479667008.

The previous prime is 2603968291. The next prime is 2603968321. The reversal of 2603968311 is 1138693062.

It is not a de Polignac number, because 2603968311 - 2⁶ = 2603968247 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2603968311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2603968321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 342606 + ... + 350123.

It is an arithmetic number, because the mean of its divisors is an integer number (249382800).

Almost surely, 2^2603968311 is an apocalyptic number.

2603968311 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2603968311 is a deficient number, since it is larger than the sum of its proper divisors (1386156489).

2603968311 is a wasteful number, since it uses less digits than its factorization.

2603968311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692918.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 2603968311 is about 51029.0927902897. The cubic root of 2603968311 is about 1375.7680885002.

The spelling of 2603968311 in words is "two billion, six hundred three million, nine hundred sixty-eight thousand, three hundred eleven".