3106635638421 has 8 divisors (see below), whose sum is σ = 4733920972864. Its totient is φ = 1775220364800.

The previous prime is 3106635638369. The next prime is 3106635638423. The reversal of 3106635638421 is 1248365366013.

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

It is not a de Polignac number, because 3106635638421 - 2¹³ = 3106635630229 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3106635638423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73967515180 + ... + 73967515221.

It is an arithmetic number, because the mean of its divisors is an integer number (591740121608).

Almost surely, 2^{3106635638421} is an apocalyptic number.

It is an amenable number.

3106635638421 is a deficient number, since it is larger than the sum of its proper divisors (1627285334443).

3106635638421 is a wasteful number, since it uses less digits than its factorization.

3106635638421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147935030411.

The product of its (nonzero) digits is 1866240, while the sum is 48.

The spelling of 3106635638421 in words is "three trillion, one hundred six billion, six hundred thirty-five million, six hundred thirty-eight thousand, four hundred twenty-one".