3612938447249 has 2 divisors, whose sum is σ = 3612938447250. Its totient is φ = 3612938447248.

The previous prime is 3612938447233. The next prime is 3612938447303. The reversal of 3612938447249 is 9427448392163.

It is a happy number.

3612938447249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3594569524225 + 18368923024 = 1895935^2 + 135532^2 .

It is a cyclic number.

It is not a de Polignac number, because 3612938447249 - 2⁴ = 3612938447233 is a prime.

It is a super-2 number, since 2×3612938447249² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3612938447191 and 3612938447200.

It is not a weakly prime, because it can be changed into another prime (3612938447449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1806469223624 + 1806469223625.

It is an arithmetic number, because the mean of its divisors is an integer number (1806469223625).

Almost surely, 2^{3612938447249} is an apocalyptic number.

It is an amenable number.

3612938447249 is a deficient number, since it is larger than the sum of its proper divisors (1).

3612938447249 is an equidigital number, since it uses as much as digits as its factorization.

3612938447249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62705664, while the sum is 62.

The spelling of 3612938447249 in words is "three trillion, six hundred twelve billion, nine hundred thirty-eight million, four hundred forty-seven thousand, two hundred forty-nine".