3673623909 has 4 divisors (see below), whose sum is σ = 4898165216. Its totient is φ = 2449082604.

The previous prime is 3673623887. The next prime is 3673623949. The reversal of 3673623909 is 9093263763.

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: 9093263763 = 3 ⋅3031087921.

It is not a de Polignac number, because 3673623909 - 2¹³ = 3673615717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3673623949) 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, 612270649 + ... + 612270654.

It is an arithmetic number, because the mean of its divisors is an integer number (1224541304).

Almost surely, 2^3673623909 is an apocalyptic number.

It is an amenable number.

3673623909 is a deficient number, since it is larger than the sum of its proper divisors (1224541307).

3673623909 is a wasteful number, since it uses less digits than its factorization.

3673623909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1224541306.

The product of its (nonzero) digits is 1102248, while the sum is 48.

The square root of 3673623909 is about 60610.4273949623. The cubic root of 3673623909 is about 1542.9963461127.

The spelling of 3673623909 in words is "three billion, six hundred seventy-three million, six hundred twenty-three thousand, nine hundred nine".