3981501619201 has 8 divisors (see below), whose sum is σ = 3992638633280. Its totient is φ = 3970370173968.

The previous prime is 3981501619189. The next prime is 3981501619213. The reversal of 3981501619201 is 1029161051893.

It is an interprime number because it is at equal distance from previous prime (3981501619189) and next prime (3981501619213).

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

It is a cyclic number.

It is not a de Polignac number, because 3981501619201 - 2¹¹ = 3981501617153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3981501619261) 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, 41770 + ... + 2822188.

It is an arithmetic number, because the mean of its divisors is an integer number (499079829160).

Almost surely, 2^{3981501619201} is an apocalyptic number.

It is an amenable number.

3981501619201 is a deficient number, since it is larger than the sum of its proper divisors (11137014079).

3981501619201 is a wasteful number, since it uses less digits than its factorization.

3981501619201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2784423.

The product of its (nonzero) digits is 116640, while the sum is 46.

The spelling of 3981501619201 in words is "three trillion, nine hundred eighty-one billion, five hundred one million, six hundred nineteen thousand, two hundred one".