2653443253012 has 24 divisors (see below), whose sum is σ = 4919037175080. Its totient is φ = 1248079073280.

The previous prime is 2653443253009. The next prime is 2653443253073. The reversal of 2653443253012 is 2103523443562.

It can be written as a sum of positive squares in 4 ways, for example, as 129806001796 + 2523637251216 = 360286^2 + 1588596^2 .

It is a super-2 number, since 2×2653443253012² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9234087 + ... + 9517102.

It is an arithmetic number, because the mean of its divisors is an integer number (204959882295).

Almost surely, 2^{2653443253012} is an apocalyptic number.

It is an amenable number.

2653443253012 is a deficient number, since it is larger than the sum of its proper divisors (2265593922068).

2653443253012 is a wasteful number, since it uses less digits than its factorization.

2653443253012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18753291 (or 18753289 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 40.

Adding to 2653443253012 its reverse (2103523443562), we get a palindrome (4756966696574).

The spelling of 2653443253012 in words is "two trillion, six hundred fifty-three billion, four hundred forty-three million, two hundred fifty-three thousand, twelve".