3849388919801 has 4 divisors (see below), whose sum is σ = 3953426458212. Its totient is φ = 3745351381392.

The previous prime is 3849388919699. The next prime is 3849388919947. The reversal of 3849388919801 is 1089198839483.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3043925749225 + 805463170576 = 1744685^2 + 897476^2 .

It is a cyclic number.

It is not a de Polignac number, because 3849388919801 - 2²² = 3849384725497 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3849388919401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52018769150 + ... + 52018769223.

It is an arithmetic number, because the mean of its divisors is an integer number (988356614553).

Almost surely, 2^{3849388919801} is an apocalyptic number.

It is an amenable number.

3849388919801 is a deficient number, since it is larger than the sum of its proper divisors (104037538411).

3849388919801 is a wasteful number, since it uses less digits than its factorization.

3849388919801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104037538410.

The product of its (nonzero) digits is 107495424, while the sum is 71.

The spelling of 3849388919801 in words is "three trillion, eight hundred forty-nine billion, three hundred eighty-eight million, nine hundred nineteen thousand, eight hundred one".