3649823830897 has 2 divisors, whose sum is σ = 3649823830898. Its totient is φ = 3649823830896.

The previous prime is 3649823830889. The next prime is 3649823830921. The reversal of 3649823830897 is 7980383289463.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2457445005376 + 1192378825521 = 1567624^2 + 1091961^2 .

It is a cyclic number.

It is not a de Polignac number, because 3649823830897 - 2³ = 3649823830889 is a prime.

It is not a weakly prime, because it can be changed into another prime (3649823830847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1824911915448 + 1824911915449.

It is an arithmetic number, because the mean of its divisors is an integer number (1824911915449).

Almost surely, 2^{3649823830897} is an apocalyptic number.

It is an amenable number.

3649823830897 is a deficient number, since it is larger than the sum of its proper divisors (1).

3649823830897 is an equidigital number, since it uses as much as digits as its factorization.

3649823830897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 376233984, while the sum is 70.

The spelling of 3649823830897 in words is "three trillion, six hundred forty-nine billion, eight hundred twenty-three million, eight hundred thirty thousand, eight hundred ninety-seven".