2481621556830 has 128 divisors (see below), whose sum is σ = 6504826825728. Its totient is φ = 602262024192.

The previous prime is 2481621556811. The next prime is 2481621556849. The reversal of 2481621556830 is 386551261842.

It is an interprime number because it is at equal distance from previous prime (2481621556811) and next prime (2481621556849).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9824577 + ... + 10074003.

It is an arithmetic number, because the mean of its divisors is an integer number (50818959576).

Almost surely, 2^{2481621556830} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2481621556830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3252413412864).

2481621556830 is an abundant number, since it is smaller than the sum of its proper divisors (4023205268898).

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

2481621556830 is a wasteful number, since it uses less digits than its factorization.

2481621556830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249810.

The product of its (nonzero) digits is 2764800, while the sum is 51.

The spelling of 2481621556830 in words is "two trillion, four hundred eighty-one billion, six hundred twenty-one million, five hundred fifty-six thousand, eight hundred thirty".