4013623561 has 8 divisors (see below), whose sum is σ = 4043149344. Its totient is φ = 3984188160.

The previous prime is 4013623531. The next prime is 4013623567. The reversal of 4013623561 is 1653263104.

4013623561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 4013623561 - 2⁵ = 4013623529 is a prime.

It is a super-2 number, since 2×4013623561² = 32218348178828641442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4013623567) 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, 67866 + ... + 112396.

It is an arithmetic number, because the mean of its divisors is an integer number (505393668).

Almost surely, 2^4013623561 is an apocalyptic number.

It is an amenable number.

4013623561 is a deficient number, since it is larger than the sum of its proper divisors (29525783).

4013623561 is a wasteful number, since it uses less digits than its factorization.

4013623561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45191.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 4013623561 is about 63353.1653589621. The cubic root of 4013623561 is about 1589.2011810869.

Adding to 4013623561 its reverse (1653263104), we get a palindrome (5666886665).

The spelling of 4013623561 in words is "four billion, thirteen million, six hundred twenty-three thousand, five hundred sixty-one".