162477853849 has 2 divisors, whose sum is σ = 162477853850. Its totient is φ = 162477853848.

The previous prime is 162477853847. The next prime is 162477853907. The reversal of 162477853849 is 948358774261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 148163406400 + 14314447449 = 384920^2 + 119643^2 .

It is a cyclic number.

It is not a de Polignac number, because 162477853849 - 2¹ = 162477853847 is a prime.

It is a super-2 number, since 2×162477853849² (a number of 23 digits) contains 22 as substring.

Together with 162477853847, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (162477853841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81238926924 + 81238926925.

It is an arithmetic number, because the mean of its divisors is an integer number (81238926925).

Almost surely, 2^162477853849 is an apocalyptic number.

It is an amenable number.

162477853849 is a deficient number, since it is larger than the sum of its proper divisors (1).

162477853849 is an equidigital number, since it uses as much as digits as its factorization.

162477853849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81285120, while the sum is 64.

The spelling of 162477853849 in words is "one hundred sixty-two billion, four hundred seventy-seven million, eight hundred fifty-three thousand, eight hundred forty-nine".