3923949294461 has 16 divisors (see below), whose sum is σ = 4782967595136. Its totient is φ = 3142432790016.

The previous prime is 3923949294457. The next prime is 3923949294479. The reversal of 3923949294461 is 1644929493293.

It is not a de Polignac number, because 3923949294461 - 2² = 3923949294457 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3923949294401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120328091 + ... + 120360696.

It is an arithmetic number, because the mean of its divisors is an integer number (298935474696).

Almost surely, 2^{3923949294461} is an apocalyptic number.

It is an amenable number.

3923949294461 is a deficient number, since it is larger than the sum of its proper divisors (859018300675).

3923949294461 is a wasteful number, since it uses less digits than its factorization.

3923949294461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240688948.

The product of its digits is 90699264, while the sum is 65.

The spelling of 3923949294461 in words is "three trillion, nine hundred twenty-three billion, nine hundred forty-nine million, two hundred ninety-four thousand, four hundred sixty-one".