3683697745291 has 2 divisors, whose sum is σ = 3683697745292. Its totient is φ = 3683697745290.

The previous prime is 3683697745289. The next prime is 3683697745349. The reversal of 3683697745291 is 1925477963863.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3683697745291 - 2¹ = 3683697745289 is a prime.

It is a super-2 number, since 2×3683697745291² (a number of 26 digits) contains 22 as substring.

Together with 3683697745289, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 3683697745291.

It is not a weakly prime, because it can be changed into another prime (3683697745201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1841848872645 + 1841848872646.

It is an arithmetic number, because the mean of its divisors is an integer number (1841848872646).

Almost surely, 2^{3683697745291} is an apocalyptic number.

3683697745291 is a deficient number, since it is larger than the sum of its proper divisors (1).

3683697745291 is an equidigital number, since it uses as much as digits as its factorization.

3683697745291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 411505920, while the sum is 70.

The spelling of 3683697745291 in words is "three trillion, six hundred eighty-three billion, six hundred ninety-seven million, seven hundred forty-five thousand, two hundred ninety-one".