3634179649 has 2 divisors, whose sum is σ = 3634179650. Its totient is φ = 3634179648.

The previous prime is 3634179623. The next prime is 3634179691. The reversal of 3634179649 is 9469714363.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3288219649 + 345960000 = 57343^2 + 18600^2 .

It is a cyclic number.

It is not a de Polignac number, because 3634179649 - 2¹⁵ = 3634146881 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3634179596 and 3634179605.

It is not a weakly prime, because it can be changed into another prime (3634179049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1817089824 + 1817089825.

It is an arithmetic number, because the mean of its divisors is an integer number (1817089825).

Almost surely, 2^3634179649 is an apocalyptic number.

It is an amenable number.

3634179649 is a deficient number, since it is larger than the sum of its proper divisors (1).

3634179649 is an equidigital number, since it uses as much as digits as its factorization.

3634179649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2939328, while the sum is 52.

The square root of 3634179649 is about 60284.1575291552. The cubic root of 3634179649 is about 1537.4539998488.

The spelling of 3634179649 in words is "three billion, six hundred thirty-four million, one hundred seventy-nine thousand, six hundred forty-nine".