299219420161601 has 4 divisors (see below), whose sum is σ = 299229732056772. Its totient is φ = 299209108266432.

The previous prime is 299219420161579. The next prime is 299219420161679. The reversal of 299219420161601 is 106161024912992.

It is a Cunningham number, because it is equal to 17297960²+1.

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

It can be written as a sum of positive squares in 2 ways, for example, as 55128011430976 + 244091408730625 = 7424824^2 + 15623425^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-299219420161601 is a prime.

It is a super-2 number, since 2×299219420161601² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (299219420161691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5155904060 + ... + 5155962093.

It is an arithmetic number, because the mean of its divisors is an integer number (74807433014193).

Almost surely, 2^{299219420161601} is an apocalyptic number.

It is an amenable number.

299219420161601 is a deficient number, since it is larger than the sum of its proper divisors (10311895171).

299219420161601 is a wasteful number, since it uses less digits than its factorization.

299219420161601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10311895170.

The product of its (nonzero) digits is 839808, while the sum is 53.

The spelling of 299219420161601 in words is "two hundred ninety-nine trillion, two hundred nineteen billion, four hundred twenty million, one hundred sixty-one thousand, six hundred one".