4011613641 has 64 divisors (see below), whose sum is σ = 7216473600. Its totient is φ = 2150074368.

The previous prime is 4011613633. The next prime is 4011613681. The reversal of 4011613641 is 1463161104.

4011613641 is a `hidden beast` number, since 4 + 0 + 1 + 1 + 6 + 13 + 641 = 666.

It is not a de Polignac number, because 4011613641 - 2³ = 4011613633 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (4011613631) 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 63 ways as a sum of consecutive naturals, for example, 1003675 + ... + 1007663.

It is an arithmetic number, because the mean of its divisors is an integer number (112757400).

Almost surely, 2^4011613641 is an apocalyptic number.

It is an amenable number.

4011613641 is a deficient number, since it is larger than the sum of its proper divisors (3204859959).

4011613641 is a wasteful number, since it uses less digits than its factorization.

4011613641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4335 (or 4329 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 4011613641 is about 63337.3005503076. The cubic root of 4011613641 is about 1588.9358596947.

Adding to 4011613641 its reverse (1463161104), we get a palindrome (5474774745).

The spelling of 4011613641 in words is "four billion, eleven million, six hundred thirteen thousand, six hundred forty-one".