3664135251391 has 2 divisors, whose sum is σ = 3664135251392. Its totient is φ = 3664135251390.

The previous prime is 3664135251389. The next prime is 3664135251433. The reversal of 3664135251391 is 1931525314663.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3664135251391 - 2¹ = 3664135251389 is a prime.

Together with 3664135251389, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3664135251691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1832067625695 + 1832067625696.

It is an arithmetic number, because the mean of its divisors is an integer number (1832067625696).

Almost surely, 2^{3664135251391} is an apocalyptic number.

3664135251391 is a deficient number, since it is larger than the sum of its proper divisors (1).

3664135251391 is an equidigital number, since it uses as much as digits as its factorization.

3664135251391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1749600, while the sum is 49.

The spelling of 3664135251391 in words is "three trillion, six hundred sixty-four billion, one hundred thirty-five million, two hundred fifty-one thousand, three hundred ninety-one".