299165190813442 has 4 divisors (see below), whose sum is σ = 448747786220166. Its totient is φ = 149582595406720.

The previous prime is 299165190813397. The next prime is 299165190813443. The reversal of 299165190813442 is 244318091561992.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 216394661908881 + 82770528904561 = 14710359^2 + 9097831^2 .

It is a super-2 number, since 2×299165190813442² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (299165190813443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74791297703359 + ... + 74791297703362.

Almost surely, 2^{299165190813442} is an apocalyptic number.

299165190813442 is a deficient number, since it is larger than the sum of its proper divisors (149582595406724).

299165190813442 is a wasteful number, since it uses less digits than its factorization.

299165190813442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149582595406723.

The product of its (nonzero) digits is 33592320, while the sum is 64.

The spelling of 299165190813442 in words is "two hundred ninety-nine trillion, one hundred sixty-five billion, one hundred ninety million, eight hundred thirteen thousand, four hundred forty-two".