3664135251647 has 8 divisors (see below), whose sum is σ = 3946048281840. Its totient is φ = 3382230288960.

The previous prime is 3664135251629. The next prime is 3664135251653. The reversal of 3664135251647 is 7461525314663.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3664135251647 - 2⁸ = 3664135251391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3664135251607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1056629 + ... + 2905982.

It is an arithmetic number, because the mean of its divisors is an integer number (493256035230).

Almost surely, 2^{3664135251647} is an apocalyptic number.

3664135251647 is a deficient number, since it is larger than the sum of its proper divisors (281913030193).

3664135251647 is a wasteful number, since it uses less digits than its factorization.

3664135251647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4033753.

The product of its digits is 10886400, while the sum is 53.

The spelling of 3664135251647 in words is "three trillion, six hundred sixty-four billion, one hundred thirty-five million, two hundred fifty-one thousand, six hundred forty-seven".