4155636601 has 4 divisors (see below), whose sum is σ = 4157162100. Its totient is φ = 4154111104.

The previous prime is 4155636599. The next prime is 4155636629. The reversal of 4155636601 is 1066365514.

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 3041412201 + 1114224400 = 55149^2 + 33380^2 .

It is a cyclic number.

It is not a de Polignac number, because 4155636601 - 2¹ = 4155636599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4155636101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 758656 + ... + 764113.

It is an arithmetic number, because the mean of its divisors is an integer number (1039290525).

Almost surely, 2^4155636601 is an apocalyptic number.

It is an amenable number.

4155636601 is a deficient number, since it is larger than the sum of its proper divisors (1525499).

4155636601 is a wasteful number, since it uses less digits than its factorization.

4155636601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1525498.

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 4155636601 is about 64464.2272970056. The cubic root of 4155636601 is about 1607.7277980422.

The spelling of 4155636601 in words is "four billion, one hundred fifty-five million, six hundred thirty-six thousand, six hundred one".