2621001242524 has 72 divisors (see below), whose sum is σ = 5549197880688. Its totient is φ = 1079176815360.

The previous prime is 2621001242513. The next prime is 2621001242527. The reversal of 2621001242524 is 4252421001262.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2621001242527) 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 23 ways as a sum of consecutive naturals, for example, 2034969 + ... + 3063184.

Almost surely, 2^{2621001242524} is an apocalyptic number.

It is an amenable number.

2621001242524 is an abundant number, since it is smaller than the sum of its proper divisors (2928196638164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2621001242524 is a wasteful number, since it uses less digits than its factorization.

2621001242524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5098275 (or 5098266 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

Adding to 2621001242524 its reverse (4252421001262), we get a palindrome (6873422243786).

The spelling of 2621001242524 in words is "two trillion, six hundred twenty-one billion, one million, two hundred forty-two thousand, five hundred twenty-four".