3620034409 has 4 divisors (see below), whose sum is σ = 3634120404. Its totient is φ = 3605948416.

The previous prime is 3620034347. The next prime is 3620034419. The reversal of 3620034409 is 9044300263.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9044300263 = 383 ⋅23614361.

It can be written as a sum of positive squares in 2 ways, for example, as 1642275625 + 1977758784 = 40525^2 + 44472^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3620034409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3620034419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7042612 + ... + 7043125.

It is an arithmetic number, because the mean of its divisors is an integer number (908530101).

Almost surely, 2^3620034409 is an apocalyptic number.

It is an amenable number.

3620034409 is a deficient number, since it is larger than the sum of its proper divisors (14085995).

3620034409 is a wasteful number, since it uses less digits than its factorization.

3620034409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14085994.

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 3620034409 is about 60166.7217737513. The cubic root of 3620034409 is about 1535.4566730725.

The spelling of 3620034409 in words is "three billion, six hundred twenty million, thirty-four thousand, four hundred nine".