1622146913 has 2 divisors, whose sum is σ = 1622146914. Its totient is φ = 1622146912.

The previous prime is 1622146873. The next prime is 1622146927. The reversal of 1622146913 is 3196412261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1453744384 + 168402529 = 38128^2 + 12977^2 .

It is a cyclic number.

It is not a de Polignac number, because 1622146913 - 2²⁶ = 1555038049 is a prime.

It is not a weakly prime, because it can be changed into another prime (1622146963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 811073456 + 811073457.

It is an arithmetic number, because the mean of its divisors is an integer number (811073457).

Almost surely, 2^1622146913 is an apocalyptic number.

It is an amenable number.

1622146913 is a deficient number, since it is larger than the sum of its proper divisors (1).

1622146913 is an equidigital number, since it uses as much as digits as its factorization.

1622146913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 35.

The square root of 1622146913 is about 40275.8850057947. The cubic root of 1622146913 is about 1174.9788830972.

The spelling of 1622146913 in words is "one billion, six hundred twenty-two million, one hundred forty-six thousand, nine hundred thirteen".