7964061449 has 2 divisors, whose sum is σ = 7964061450. Its totient is φ = 7964061448.

The previous prime is 7964061373. The next prime is 7964061491. The reversal of 7964061449 is 9441604697.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7202577424 + 761484025 = 84868^2 + 27595^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7964061449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7964061397 and 7964061406.

It is a weakly prime.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3982030724 + 3982030725.

It is an arithmetic number, because the mean of its divisors is an integer number (3982030725).

Almost surely, 2^7964061449 is an apocalyptic number.

It is an amenable number.

7964061449 is a deficient number, since it is larger than the sum of its proper divisors (1).

7964061449 is an equidigital number, since it uses as much as digits as its factorization.

7964061449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1306368, while the sum is 50.

The square root of 7964061449 is about 89241.5903544978. The cubic root of 7964061449 is about 1997.0006248730. Note that the first 3 decimals are identical.

The spelling of 7964061449 in words is "seven billion, nine hundred sixty-four million, sixty-one thousand, four hundred forty-nine".