3809475979 has 2 divisors, whose sum is σ = 3809475980. Its totient is φ = 3809475978.

The previous prime is 3809475941. The next prime is 3809476051. The reversal of 3809475979 is 9795749083.

It is a weak prime.

It is an emirp because it is prime and its reverse (9795749083) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3809475979 - 2¹⁷ = 3809344907 is a prime.

It is not a weakly prime, because it can be changed into another prime (3809475679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1904737989 + 1904737990.

It is an arithmetic number, because the mean of its divisors is an integer number (1904737990).

Almost surely, 2^3809475979 is an apocalyptic number.

3809475979 is a deficient number, since it is larger than the sum of its proper divisors (1).

3809475979 is an equidigital number, since it uses as much as digits as its factorization.

3809475979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17146080, while the sum is 61.

The square root of 3809475979 is about 61720.9525120927. The cubic root of 3809475979 is about 1561.7867948389.

The spelling of 3809475979 in words is "three billion, eight hundred nine million, four hundred seventy-five thousand, nine hundred seventy-nine".