2621138058084 has 576 divisors, whose sum is σ = 8453676865536. Its totient is φ = 613310164992.

The previous prime is 2621138058053. The next prime is 2621138058089. The reversal of 2621138058084 is 4808508311262.

It is not an unprimeable number, because it can be changed into a prime (2621138058089) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1521263247 + ... + 1521264969.

It is an arithmetic number, because the mean of its divisors is an integer number (14676522336).

Almost surely, 2^{2621138058084} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2621138058084, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4226838432768).

2621138058084 is an abundant number, since it is smaller than the sum of its proper divisors (5832538807452).

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

2621138058084 is a wasteful number, since it uses less digits than its factorization.

2621138058084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2032 (or 2011 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 48.

The spelling of 2621138058084 in words is "two trillion, six hundred twenty-one billion, one hundred thirty-eight million, fifty-eight thousand, eighty-four".