4180979389 has 2 divisors, whose sum is σ = 4180979390. Its totient is φ = 4180979388.

The previous prime is 4180979357. The next prime is 4180979419. The reversal of 4180979389 is 9839790814.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2904132100 + 1276847289 = 53890^2 + 35733^2 .

It is a cyclic number.

It is not a de Polignac number, because 4180979389 - 2⁵ = 4180979357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4180970389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2090489694 + 2090489695.

It is an arithmetic number, because the mean of its divisors is an integer number (2090489695).

Almost surely, 2^4180979389 is an apocalyptic number.

It is an amenable number.

4180979389 is a deficient number, since it is larger than the sum of its proper divisors (1).

4180979389 is an equidigital number, since it uses as much as digits as its factorization.

4180979389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3919104, while the sum is 58.

The square root of 4180979389 is about 64660.4932628881. The cubic root of 4180979389 is about 1610.9893728565.

The spelling of 4180979389 in words is "four billion, one hundred eighty million, nine hundred seventy-nine thousand, three hundred eighty-nine".