3165423949 has 2 divisors, whose sum is σ = 3165423950. Its totient is φ = 3165423948.

The previous prime is 3165423923. The next prime is 3165423971. The reversal of 3165423949 is 9493245613.

3165423949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1727649225 + 1437774724 = 41565^2 + 37918^2 .

It is a cyclic number.

It is not a de Polignac number, because 3165423949 - 2²¹ = 3163326797 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3165423899 and 3165423908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3165423049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1582711974 + 1582711975.

It is an arithmetic number, because the mean of its divisors is an integer number (1582711975).

Almost surely, 2^3165423949 is an apocalyptic number.

It is an amenable number.

3165423949 is a deficient number, since it is larger than the sum of its proper divisors (1).

3165423949 is an equidigital number, since it uses as much as digits as its factorization.

3165423949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 699840, while the sum is 46.

The square root of 3165423949 is about 56262.1004673661. The cubic root of 3165423949 is about 1468.2858989044.

The spelling of 3165423949 in words is "three billion, one hundred sixty-five million, four hundred twenty-three thousand, nine hundred forty-nine".