3946100196921 has 8 divisors (see below), whose sum is σ = 5261679346944. Its totient is φ = 2630627255760.

The previous prime is 3946100196889. The next prime is 3946100196959. The reversal of 3946100196921 is 1296910016493.

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

It is not a de Polignac number, because 3946100196921 - 2⁵ = 3946100196889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3946100192921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26465481 + ... + 26614166.

It is an arithmetic number, because the mean of its divisors is an integer number (657709918368).

Almost surely, 2^{3946100196921} is an apocalyptic number.

It is an amenable number.

3946100196921 is a deficient number, since it is larger than the sum of its proper divisors (1315579150023).

3946100196921 is a wasteful number, since it uses less digits than its factorization.

3946100196921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53104431.

The product of its (nonzero) digits is 629856, while the sum is 51.

The spelling of 3946100196921 in words is "three trillion, nine hundred forty-six billion, one hundred million, one hundred ninety-six thousand, nine hundred twenty-one".