2643140253 has 8 divisors (see below), whose sum is σ = 3795278368. Its totient is φ = 1626547824.

The previous prime is 2643140221. The next prime is 2643140261. The reversal of 2643140253 is 3520413462.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2643140253 - 2⁵ = 2643140221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2643140253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2643140053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33886375 + ... + 33886452.

It is an arithmetic number, because the mean of its divisors is an integer number (474409796).

Almost surely, 2^2643140253 is an apocalyptic number.

It is an amenable number.

2643140253 is a deficient number, since it is larger than the sum of its proper divisors (1152138115).

2643140253 is a wasteful number, since it uses less digits than its factorization.

2643140253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67772843.

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 2643140253 is about 51411.4797783530. The cubic root of 2643140253 is about 1382.6324207193.

The spelling of 2643140253 in words is "two billion, six hundred forty-three million, one hundred forty thousand, two hundred fifty-three".