3681658598 has 4 divisors (see below), whose sum is σ = 5522487900. Its totient is φ = 1840829298.

The previous prime is 3681658597. The next prime is 3681658613. The reversal of 3681658598 is 8958561863.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×3681658598² = 27109220064454651208, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3681658597) 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 as a sum of consecutive naturals, namely, 920414648 + ... + 920414651.

It is an arithmetic number, because the mean of its divisors is an integer number (1380621975).

Almost surely, 2^3681658598 is an apocalyptic number.

3681658598 is a deficient number, since it is larger than the sum of its proper divisors (1840829302).

3681658598 is a wasteful number, since it uses less digits than its factorization.

3681658598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1840829301.

The product of its digits is 12441600, while the sum is 59.

The square root of 3681658598 is about 60676.6726015855. The cubic root of 3681658598 is about 1544.1204376306.

The spelling of 3681658598 in words is "three billion, six hundred eighty-one million, six hundred fifty-eight thousand, five hundred ninety-eight".