3920178513 has 16 divisors (see below), whose sum is σ = 5250961856. Its totient is φ = 2601443520.

The previous prime is 3920178503. The next prime is 3920178533. The reversal of 3920178513 is 3158710293.

3920178513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3920178513 - 2¹⁷ = 3920047441 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 (3920178503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1230783 + ... + 1233963.

It is an arithmetic number, because the mean of its divisors is an integer number (328185116).

Almost surely, 2^3920178513 is an apocalyptic number.

It is an amenable number.

3920178513 is a deficient number, since it is larger than the sum of its proper divisors (1330783343).

3920178513 is a wasteful number, since it uses less digits than its factorization.

3920178513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4944.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 3920178513 is about 62611.3289509175. The cubic root of 3920178513 is about 1576.7709667682.

The spelling of 3920178513 in words is "three billion, nine hundred twenty million, one hundred seventy-eight thousand, five hundred thirteen".