2621002326103 has 4 divisors (see below), whose sum is σ = 2995431229840. Its totient is φ = 2246573422368.

The previous prime is 2621002326097. The next prime is 2621002326121. The reversal of 2621002326103 is 3016232001262.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2621002326103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2621002326193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187214451858 + ... + 187214451871.

It is an arithmetic number, because the mean of its divisors is an integer number (748857807460).

Almost surely, 2^{2621002326103} is an apocalyptic number.

2621002326103 is a deficient number, since it is larger than the sum of its proper divisors (374428903737).

2621002326103 is an equidigital number, since it uses as much as digits as its factorization.

2621002326103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374428903736.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 2621002326103 its reverse (3016232001262), we get a palindrome (5637234327365).

The spelling of 2621002326103 in words is "two trillion, six hundred twenty-one billion, two million, three hundred twenty-six thousand, one hundred three".