3607695797861 has 2 divisors, whose sum is σ = 3607695797862. Its totient is φ = 3607695797860.

The previous prime is 3607695797809. The next prime is 3607695797873. The reversal of 3607695797861 is 1687975967063.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3202958081761 + 404737716100 = 1789681^2 + 636190^2 .

It is an emirp because it is prime and its reverse (1687975967063) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3607695797861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3607695737861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1803847898930 + 1803847898931.

It is an arithmetic number, because the mean of its divisors is an integer number (1803847898931).

Almost surely, 2^{3607695797861} is an apocalyptic number.

It is an amenable number.

3607695797861 is a deficient number, since it is larger than the sum of its proper divisors (1).

3607695797861 is an equidigital number, since it uses as much as digits as its factorization.

3607695797861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720135360, while the sum is 74.

The spelling of 3607695797861 in words is "three trillion, six hundred seven billion, six hundred ninety-five million, seven hundred ninety-seven thousand, eight hundred sixty-one".