369812969 has 4 divisors (see below), whose sum is σ = 369937620. Its totient is φ = 369688320.

The previous prime is 369812957. The next prime is 369812987. The reversal of 369812969 is 969218963.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 969218963 = 11863 ⋅81701.

It can be written as a sum of positive squares in 2 ways, for example, as 167832025 + 201980944 = 12955^2 + 14212^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-369812969 is a prime.

It is a super-2 number, since 2×369812969² = 273523264081189922, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 369812969.

It is not an unprimeable number, because it can be changed into a prime (369812939) 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, 57764 + ... + 63845.

It is an arithmetic number, because the mean of its divisors is an integer number (92484405).

Almost surely, 2^369812969 is an apocalyptic number.

It is an amenable number.

369812969 is a deficient number, since it is larger than the sum of its proper divisors (124651).

369812969 is a wasteful number, since it uses less digits than its factorization.

369812969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124650.

The product of its digits is 1259712, while the sum is 53.

The square root of 369812969 is about 19230.5218077929. The cubic root of 369812969 is about 717.7844503402.

The spelling of 369812969 in words is "three hundred sixty-nine million, eight hundred twelve thousand, nine hundred sixty-nine".