162348978439 has 2 divisors, whose sum is σ = 162348978440. Its totient is φ = 162348978438.

The previous prime is 162348978437. The next prime is 162348978509. The reversal of 162348978439 is 934879843261.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 162348978439 - 2¹ = 162348978437 is a prime.

Together with 162348978437, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162348978431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81174489219 + 81174489220.

It is an arithmetic number, because the mean of its divisors is an integer number (81174489220).

Almost surely, 2^162348978439 is an apocalyptic number.

162348978439 is a deficient number, since it is larger than the sum of its proper divisors (1).

162348978439 is an equidigital number, since it uses as much as digits as its factorization.

162348978439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62705664, while the sum is 64.

The spelling of 162348978439 in words is "one hundred sixty-two billion, three hundred forty-eight million, nine hundred seventy-eight thousand, four hundred thirty-nine".