3646864853051 has 8 divisors (see below), whose sum is σ = 4349056222464. Its totient is φ = 2989976152680.

The previous prime is 3646864853033. The next prime is 3646864853087. The reversal of 3646864853051 is 1503584686463.

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

It is not a de Polignac number, because 3646864853051 - 2³⁴ = 3629684983867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3646864853851) 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, 11325667085 + ... + 11325667406.

It is an arithmetic number, because the mean of its divisors is an integer number (543632027808).

Almost surely, 2^{3646864853051} is an apocalyptic number.

3646864853051 is a deficient number, since it is larger than the sum of its proper divisors (702191369413).

3646864853051 is a wasteful number, since it uses less digits than its factorization.

3646864853051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22651334521.

The product of its (nonzero) digits is 49766400, while the sum is 59.

The spelling of 3646864853051 in words is "three trillion, six hundred forty-six billion, eight hundred sixty-four million, eight hundred fifty-three thousand, fifty-one".