4012343653 has 4 divisors (see below), whose sum is σ = 4037900140. Its totient is φ = 3986787168.

The previous prime is 4012343617. The next prime is 4012343659. The reversal of 4012343653 is 3563432104.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1197298404 + 2815045249 = 34602^2 + 53057^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4012343653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4012343659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12778008 + ... + 12778321.

It is an arithmetic number, because the mean of its divisors is an integer number (1009475035).

Almost surely, 2^4012343653 is an apocalyptic number.

It is an amenable number.

4012343653 is a deficient number, since it is larger than the sum of its proper divisors (25556487).

4012343653 is a wasteful number, since it uses less digits than its factorization.

4012343653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25556486.

The product of its (nonzero) digits is 25920, while the sum is 31.

The square root of 4012343653 is about 63343.0631797989. The cubic root of 4012343653 is about 1589.0322358662.

Adding to 4012343653 its reverse (3563432104), we get a palindrome (7575775757).

The spelling of 4012343653 in words is "four billion, twelve million, three hundred forty-three thousand, six hundred fifty-three".