2653318717038 has 112 divisors (see below), whose sum is σ = 6588147073536. Its totient is φ = 794348395920.

The previous prime is 2653318717001. The next prime is 2653318717039. The reversal of 2653318717038 is 8307178133562.

It is a happy number.

2653318717038 is a `hidden beast` number, since 2 + 6 + 533 + 1 + 8 + 7 + 1 + 70 + 38 = 666.

It is a super-2 number, since 2×2653318717038² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2653318717039) 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 55 ways as a sum of consecutive naturals, for example, 334531 + ... + 2327777.

It is an arithmetic number, because the mean of its divisors is an integer number (58822741728).

Almost surely, 2^{2653318717038} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2653318717038, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3294073536768).

2653318717038 is an abundant number, since it is smaller than the sum of its proper divisors (3934828356498).

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

2653318717038 is a wasteful number, since it uses less digits than its factorization.

2653318717038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1993361 (or 1993346 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 54.

The spelling of 2653318717038 in words is "two trillion, six hundred fifty-three billion, three hundred eighteen million, seven hundred seventeen thousand, thirty-eight".