312200164649 has 4 divisors (see below), whose sum is σ = 312257151360. Its totient is φ = 312143177940.

The previous prime is 312200164637. The next prime is 312200164667. The reversal of 312200164649 is 946461002213.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 312200164649 - 2¹² = 312200160553 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (312200164949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28485137 + ... + 28496094.

It is an arithmetic number, because the mean of its divisors is an integer number (78064287840).

Almost surely, 2^312200164649 is an apocalyptic number.

It is an amenable number.

312200164649 is a deficient number, since it is larger than the sum of its proper divisors (56986711).

312200164649 is an equidigital number, since it uses as much as digits as its factorization.

312200164649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56986710.

The product of its (nonzero) digits is 62208, while the sum is 38.

The spelling of 312200164649 in words is "three hundred twelve billion, two hundred million, one hundred sixty-four thousand, six hundred forty-nine".