162774974289349 has 4 divisors (see below), whose sum is σ = 165533872158720. Its totient is φ = 160016076419980.

The previous prime is 162774974289337. The next prime is 162774974289377. The reversal of 162774974289349 is 943982479477261.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 162774974289349 - 2⁹ = 162774974288837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162774974089349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1379448934597 + ... + 1379448934714.

It is an arithmetic number, because the mean of its divisors is an integer number (41383468039680).

Almost surely, 2^{162774974289349} is an apocalyptic number.

It is an amenable number.

162774974289349 is a deficient number, since it is larger than the sum of its proper divisors (2758897869371).

162774974289349 is an equidigital number, since it uses as much as digits as its factorization.

162774974289349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2758897869370.

The product of its digits is 9217732608, while the sum is 82.

The spelling of 162774974289349 in words is "one hundred sixty-two trillion, seven hundred seventy-four billion, nine hundred seventy-four million, two hundred eighty-nine thousand, three hundred forty-nine".