2043653513 has 4 divisors (see below), whose sum is σ = 2229440208. Its totient is φ = 1857866820.

The previous prime is 2043653503. The next prime is 2043653531. The reversal of 2043653513 is 3153563402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2043653513 - 2²² = 2039459209 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 2043653513.

It is not an unprimeable number, because it can be changed into a prime (2043653503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92893331 + ... + 92893352.

It is an arithmetic number, because the mean of its divisors is an integer number (557360052).

Almost surely, 2^2043653513 is an apocalyptic number.

It is an amenable number.

2043653513 is a deficient number, since it is larger than the sum of its proper divisors (185786695).

2043653513 is a wasteful number, since it uses less digits than its factorization.

2043653513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185786694.

The product of its (nonzero) digits is 32400, while the sum is 32.

The square root of 2043653513 is about 45206.7861388089. The cubic root of 2043653513 is about 1269.0218175071.

It can be divided in two parts, 2043 and 653513, that added together give a palindrome (655556).

The spelling of 2043653513 in words is "two billion, forty-three million, six hundred fifty-three thousand, five hundred thirteen".