3675195981 has 12 divisors (see below), whose sum is σ = 5310800352. Its totient is φ = 2449122696.

The previous prime is 3675195947. The next prime is 3675195989. The reversal of 3675195981 is 1895915763.

3675195981 is a `hidden beast` number, since 36 + 7 + 5 + 19 + 598 + 1 = 666.

3675195981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3675195981 - 2¹⁵ = 3675163213 is a prime.

It is a super-3 number, since 3×3675195981³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3675195989) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60561 + ... + 104966.

It is an arithmetic number, because the mean of its divisors is an integer number (442566696).

Almost surely, 2^3675195981 is an apocalyptic number.

It is an amenable number.

3675195981 is a deficient number, since it is larger than the sum of its proper divisors (1635604371).

3675195981 is a wasteful number, since it uses less digits than its factorization.

3675195981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168000 (or 167997 counting only the distinct ones).

The product of its digits is 2041200, while the sum is 54.

The square root of 3675195981 is about 60623.3946674054. The cubic root of 3675195981 is about 1543.2164154030.

The spelling of 3675195981 in words is "three billion, six hundred seventy-five million, one hundred ninety-five thousand, nine hundred eighty-one".