3918192101 has 8 divisors (see below), whose sum is σ = 4055140824. Its totient is φ = 3783214080.

The previous prime is 3918191971. The next prime is 3918192119. The reversal of 3918192101 is 1012918193.

It can be written as a sum of positive squares in 4 ways, for example, as 195972001 + 3722220100 = 13999^2 + 61010^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3918192101 - 2²² = 3913997797 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 (3918192401) 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 7 ways as a sum of consecutive naturals, for example, 488630 + ... + 496583.

It is an arithmetic number, because the mean of its divisors is an integer number (506892603).

Almost surely, 2^3918192101 is an apocalyptic number.

It is an amenable number.

3918192101 is a deficient number, since it is larger than the sum of its proper divisors (136948723).

3918192101 is an equidigital number, since it uses as much as digits as its factorization.

3918192101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985351.

The product of its (nonzero) digits is 3888, while the sum is 35.

The square root of 3918192101 is about 62595.4639011486. The cubic root of 3918192101 is about 1576.5045974402.

The spelling of 3918192101 in words is "three billion, nine hundred eighteen million, one hundred ninety-two thousand, one hundred one".