2601818002938 has 128 divisors (see below), whose sum is σ = 6788670603264. Its totient is φ = 645037862400.

The previous prime is 2601818002937. The next prime is 2601818003009. The reversal of 2601818002938 is 8392008181062.

2601818002938 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2601818002933) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 198781 + ... + 2289792.

It is an arithmetic number, because the mean of its divisors is an integer number (53036489088).

Almost surely, 2^{2601818002938} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2601818002938, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3394335301632).

2601818002938 is an abundant number, since it is smaller than the sum of its proper divisors (4186852600326).

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

2601818002938 is a wasteful number, since it uses less digits than its factorization.

2601818002938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2488700.

The product of its (nonzero) digits is 331776, while the sum is 48.

The spelling of 2601818002938 in words is "two trillion, six hundred one billion, eight hundred eighteen million, two thousand, nine hundred thirty-eight".