896794077449 has 2 divisors, whose sum is σ = 896794077450. Its totient is φ = 896794077448.

The previous prime is 896794077419. The next prime is 896794077457. The reversal of 896794077449 is 944770497698.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 640512102400 + 256281975049 = 800320^2 + 506243^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-896794077449 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (896794077409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 448397038724 + 448397038725.

It is an arithmetic number, because the mean of its divisors is an integer number (448397038725).

Almost surely, 2^896794077449 is an apocalyptic number.

It is an amenable number.

896794077449 is a deficient number, since it is larger than the sum of its proper divisors (1).

896794077449 is an equidigital number, since it uses as much as digits as its factorization.

896794077449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768144384, while the sum is 74.

The spelling of 896794077449 in words is "eight hundred ninety-six billion, seven hundred ninety-four million, seventy-seven thousand, four hundred forty-nine".