3646215403667 has 2 divisors, whose sum is σ = 3646215403668. Its totient is φ = 3646215403666.

The previous prime is 3646215403639. The next prime is 3646215403669. The reversal of 3646215403667 is 7663045126463.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3646215403667 - 2²² = 3646211209363 is a prime.

Together with 3646215403669, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3646215403669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1823107701833 + 1823107701834.

It is an arithmetic number, because the mean of its divisors is an integer number (1823107701834).

Almost surely, 2^{3646215403667} is an apocalyptic number.

3646215403667 is a deficient number, since it is larger than the sum of its proper divisors (1).

3646215403667 is an equidigital number, since it uses as much as digits as its factorization.

3646215403667 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13063680, while the sum is 53.

The spelling of 3646215403667 in words is "three trillion, six hundred forty-six billion, two hundred fifteen million, four hundred three thousand, six hundred sixty-seven".