3921101157 has 16 divisors (see below), whose sum is σ = 5582320128. Its totient is φ = 2442261360.

The previous prime is 3921101141. The next prime is 3921101183. The reversal of 3921101157 is 7511011293.

It is not a de Polignac number, because 3921101157 - 2⁴ = 3921101141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3921101057) 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 15 ways as a sum of consecutive naturals, for example, 657819 + ... + 663752.

It is an arithmetic number, because the mean of its divisors is an integer number (348895008).

Almost surely, 2^3921101157 is an apocalyptic number.

It is an amenable number.

3921101157 is a deficient number, since it is larger than the sum of its proper divisors (1661218971).

3921101157 is a wasteful number, since it uses less digits than its factorization.

3921101157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1321640.

The product of its (nonzero) digits is 1890, while the sum is 30.

The square root of 3921101157 is about 62618.6965450416. The cubic root of 3921101157 is about 1576.8946587675.

The spelling of 3921101157 in words is "three billion, nine hundred twenty-one million, one hundred one thousand, one hundred fifty-seven".