369641009 has 4 divisors (see below), whose sum is σ = 371298816. Its totient is φ = 367983204.

The previous prime is 369640961. The next prime is 369641011. The reversal of 369641009 is 900146963.

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, and also an emirpimes, since its reverse is a distinct semiprime: 900146963 = 3209 ⋅280507.

It is a cyclic number.

It is not a de Polignac number, because 369641009 - 2²⁸ = 101205553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (369641039) 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, 828569 + ... + 829014.

It is an arithmetic number, because the mean of its divisors is an integer number (92824704).

Almost surely, 2^369641009 is an apocalyptic number.

It is an amenable number.

369641009 is a deficient number, since it is larger than the sum of its proper divisors (1657807).

369641009 is a wasteful number, since it uses less digits than its factorization.

369641009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1657806.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 369641009 is about 19226.0502704014. The cubic root of 369641009 is about 717.6731784625.

It can be divided in two parts, 36964 and 1009, that added together give a palindrome (37973).

The spelling of 369641009 in words is "three hundred sixty-nine million, six hundred forty-one thousand, nine".