323211999999949 has 2 divisors, whose sum is σ = 323211999999950. Its totient is φ = 323211999999948.

The previous prime is 323211999999871. The next prime is 323212000000051. The reversal of 323211999999949 is 949999999112323.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 300562900562500 + 22649099437449 = 17336750^2 + 4759107^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-323211999999949 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 323211999999949.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (323211999999649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161605999999974 + 161605999999975.

It is an arithmetic number, because the mean of its divisors is an integer number (161605999999975).

Almost surely, 2^{323211999999949} is an apocalyptic number.

It is an amenable number.

323211999999949 is a deficient number, since it is larger than the sum of its proper divisors (1).

323211999999949 is an equidigital number, since it uses as much as digits as its factorization.

323211999999949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6198727824, while the sum is 88.

The spelling of 323211999999949 in words is "three hundred twenty-three trillion, two hundred eleven billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred forty-nine".