3640442604101 has 2 divisors, whose sum is σ = 3640442604102. Its totient is φ = 3640442604100.

The previous prime is 3640442604091. The next prime is 3640442604131. The reversal of 3640442604101 is 1014062440463.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3570402981601 + 70039622500 = 1889551^2 + 264650^2 .

It is an emirp because it is prime and its reverse (1014062440463) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3640442604101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3640442604131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1820221302050 + 1820221302051.

It is an arithmetic number, because the mean of its divisors is an integer number (1820221302051).

Almost surely, 2^{3640442604101} is an apocalyptic number.

It is an amenable number.

3640442604101 is a deficient number, since it is larger than the sum of its proper divisors (1).

3640442604101 is an equidigital number, since it uses as much as digits as its factorization.

3640442604101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55296, while the sum is 35.

The spelling of 3640442604101 in words is "three trillion, six hundred forty billion, four hundred forty-two million, six hundred four thousand, one hundred one".