2491626503 has 8 divisors (see below), whose sum is σ = 2647278720. Its totient is φ = 2338425720.

The previous prime is 2491626497. The next prime is 2491626521. The reversal of 2491626503 is 3056261942.

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

It is a cyclic number.

It is not a de Polignac number, because 2491626503 - 2¹⁴ = 2491610119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2491626563) 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, 610763 + ... + 614828.

It is an arithmetic number, because the mean of its divisors is an integer number (330909840).

Almost surely, 2^2491626503 is an apocalyptic number.

2491626503 is a deficient number, since it is larger than the sum of its proper divisors (155652217).

2491626503 is a wasteful number, since it uses less digits than its factorization.

2491626503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1225717.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 2491626503 is about 49916.1947968793. The cubic root of 2491626503 is about 1355.6918355345.

The spelling of 2491626503 in words is "two billion, four hundred ninety-one million, six hundred twenty-six thousand, five hundred three".