3201978379 has 4 divisors (see below), whose sum is σ = 3212408584. Its totient is φ = 3191548176.

The previous prime is 3201978337. The next prime is 3201978391. The reversal of 3201978379 is 9738791023.

3201978379 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9738791023 = 13 ⋅749137771.

It is a cyclic number.

It is not a de Polignac number, because 3201978379 - 2²¹ = 3199881227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3201978319) 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, 5214642 + ... + 5215255.

It is an arithmetic number, because the mean of its divisors is an integer number (803102146).

Almost surely, 2^3201978379 is an apocalyptic number.

3201978379 is a deficient number, since it is larger than the sum of its proper divisors (10430205).

3201978379 is a wasteful number, since it uses less digits than its factorization.

3201978379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10430204.

The product of its (nonzero) digits is 571536, while the sum is 49.

The square root of 3201978379 is about 56586.0263581036. The cubic root of 3201978379 is about 1473.9162206672.

The spelling of 3201978379 in words is "three billion, two hundred one million, nine hundred seventy-eight thousand, three hundred seventy-nine".