3643496091931 has 2 divisors, whose sum is σ = 3643496091932. Its totient is φ = 3643496091930.

The previous prime is 3643496091919. The next prime is 3643496091941. The reversal of 3643496091931 is 1391906943463.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (1391906943463) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3643496091931 - 2¹⁵ = 3643496059163 is a prime.

It is a super-2 number, since 2×3643496091931² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3643496091941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1821748045965 + 1821748045966.

It is an arithmetic number, because the mean of its divisors is an integer number (1821748045966).

Almost surely, 2^{3643496091931} is an apocalyptic number.

3643496091931 is a deficient number, since it is larger than the sum of its proper divisors (1).

3643496091931 is an equidigital number, since it uses as much as digits as its factorization.

3643496091931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11337408, while the sum is 58.

The spelling of 3643496091931 in words is "three trillion, six hundred forty-three billion, four hundred ninety-six million, ninety-one thousand, nine hundred thirty-one".