162623333449 has 2 divisors, whose sum is σ = 162623333450. Its totient is φ = 162623333448.

The previous prime is 162623333417. The next prime is 162623333539. The reversal of 162623333449 is 944333326261.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111110222224 + 51513111225 = 333332^2 + 226965^2 .

It is a cyclic number.

It is not a de Polignac number, because 162623333449 - 2⁵ = 162623333417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 162623333399 and 162623333408.

It is not a weakly prime, because it can be changed into another prime (162623333849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81311666724 + 81311666725.

It is an arithmetic number, because the mean of its divisors is an integer number (81311666725).

Almost surely, 2^162623333449 is an apocalyptic number.

It is an amenable number.

162623333449 is a deficient number, since it is larger than the sum of its proper divisors (1).

162623333449 is an equidigital number, since it uses as much as digits as its factorization.

162623333449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1679616, while the sum is 46.

The spelling of 162623333449 in words is "one hundred sixty-two billion, six hundred twenty-three million, three hundred thirty-three thousand, four hundred forty-nine".