2621493428 has 24 divisors (see below), whose sum is σ = 4669781760. Its totient is φ = 1287312320.

The previous prime is 2621493421. The next prime is 2621493439. The reversal of 2621493428 is 8243941262.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2621493421) 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, 276893 + ... + 286203.

It is an arithmetic number, because the mean of its divisors is an integer number (194574240).

Almost surely, 2^2621493428 is an apocalyptic number.

It is an amenable number.

2621493428 is a deficient number, since it is larger than the sum of its proper divisors (2048288332).

2621493428 is a wasteful number, since it uses less digits than its factorization.

2621493428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10567 (or 10565 counting only the distinct ones).

The product of its digits is 165888, while the sum is 41.

The square root of 2621493428 is about 51200.5217551540. The cubic root of 2621493428 is about 1378.8475689995.

The spelling of 2621493428 in words is "two billion, six hundred twenty-one million, four hundred ninety-three thousand, four hundred twenty-eight".