3698444473 has 4 divisors (see below), whose sum is σ = 3701151360. Its totient is φ = 3695737588.

The previous prime is 3698444471. The next prime is 3698444507. The reversal of 3698444473 is 3744448963.

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: 3744448963 = 28151 ⋅133013.

It is a cyclic number.

It is not a de Polignac number, because 3698444473 - 2¹ = 3698444471 is a prime.

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 3698444473.

It is not an unprimeable number, because it can be changed into a prime (3698444471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1351393 + ... + 1354126.

It is an arithmetic number, because the mean of its divisors is an integer number (925287840).

Almost surely, 2^3698444473 is an apocalyptic number.

It is an amenable number.

3698444473 is a deficient number, since it is larger than the sum of its proper divisors (2706887).

3698444473 is a wasteful number, since it uses less digits than its factorization.

3698444473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2706886.

The product of its digits is 6967296, while the sum is 52.

The square root of 3698444473 is about 60814.8376056370. The cubic root of 3698444473 is about 1546.4635953650.

The spelling of 3698444473 in words is "three billion, six hundred ninety-eight million, four hundred forty-four thousand, four hundred seventy-three".