3954006803021 has 8 divisors (see below), whose sum is σ = 4313796213888. Its totient is φ = 3594273100000.

The previous prime is 3954006803011. The next prime is 3954006803051. The reversal of 3954006803021 is 1203086004593.

3954006803021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a de Polignac number, because none of the positive numbers 2^k-3954006803021 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3954006803021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3954006803011) 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, 13778480 + ... + 14062521.

It is an arithmetic number, because the mean of its divisors is an integer number (539224526736).

Almost surely, 2^{3954006803021} is an apocalyptic number.

It is an amenable number.

3954006803021 is a deficient number, since it is larger than the sum of its proper divisors (359789410867).

3954006803021 is a wasteful number, since it uses less digits than its factorization.

3954006803021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27853923.

The product of its (nonzero) digits is 155520, while the sum is 41.

The spelling of 3954006803021 in words is "three trillion, nine hundred fifty-four billion, six million, eight hundred three thousand, twenty-one".