3689940101 has 4 divisors (see below), whose sum is σ = 3690149100. Its totient is φ = 3689731104.

The previous prime is 3689940097. The next prime is 3689940103. The reversal of 3689940101 is 1010499863.

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 826620001 + 2863320100 = 28751^2 + 53510^2 .

It is a cyclic number.

It is not a de Polignac number, because 3689940101 - 2² = 3689940097 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 (3689940103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75296 + ... + 114233.

It is an arithmetic number, because the mean of its divisors is an integer number (922537275).

Almost surely, 2^3689940101 is an apocalyptic number.

It is an amenable number.

3689940101 is a deficient number, since it is larger than the sum of its proper divisors (208999).

3689940101 is a wasteful number, since it uses less digits than its factorization.

3689940101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208998.

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 3689940101 is about 60744.8771584897. The cubic root of 3689940101 is about 1545.2773493424.

The spelling of 3689940101 in words is "three billion, six hundred eighty-nine million, nine hundred forty thousand, one hundred one".