3612133649 has 2 divisors, whose sum is σ = 3612133650. Its totient is φ = 3612133648.

The previous prime is 3612133631. The next prime is 3612133663. The reversal of 3612133649 is 9463312163.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2965347025 + 646786624 = 54455^2 + 25432^2 .

It is a cyclic number.

It is not a de Polignac number, because 3612133649 - 2¹⁶ = 3612068113 is a prime.

It is not a weakly prime, because it can be changed into another prime (3612130649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1806066824 + 1806066825.

It is an arithmetic number, because the mean of its divisors is an integer number (1806066825).

Almost surely, 2^3612133649 is an apocalyptic number.

It is an amenable number.

3612133649 is a deficient number, since it is larger than the sum of its proper divisors (1).

3612133649 is an equidigital number, since it uses as much as digits as its factorization.

3612133649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984, while the sum is 38.

The square root of 3612133649 is about 60101.0286850400. The cubic root of 3612133649 is about 1534.3388097641.

The spelling of 3612133649 in words is "three billion, six hundred twelve million, one hundred thirty-three thousand, six hundred forty-nine".