2603010672491 has 4 divisors (see below), whose sum is σ = 2605156601712. Its totient is φ = 2600864743272.

The previous prime is 2603010672481. The next prime is 2603010672511. The reversal of 2603010672491 is 1942760103062.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2603010672491 - 2³⁴ = 2585830803307 is a prime.

It is a super-2 number, since 2×2603010672491² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2603010672481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1072962791 + ... + 1072965216.

It is an arithmetic number, because the mean of its divisors is an integer number (651289150428).

Almost surely, 2^{2603010672491} is an apocalyptic number.

2603010672491 is a deficient number, since it is larger than the sum of its proper divisors (2145929221).

2603010672491 is a wasteful number, since it uses less digits than its factorization.

2603010672491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2145929220.

The product of its (nonzero) digits is 108864, while the sum is 41.

The spelling of 2603010672491 in words is "two trillion, six hundred three billion, ten million, six hundred seventy-two thousand, four hundred ninety-one".