745940854849 has 2 divisors, whose sum is σ = 745940854850. Its totient is φ = 745940854848.

The previous prime is 745940854807. The next prime is 745940854861. The reversal of 745940854849 is 948458049547.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 398009574400 + 347931280449 = 630880^2 + 589857^2 .

It is a cyclic number.

It is not a de Polignac number, because 745940854849 - 2⁷ = 745940854721 is a prime.

It is not a weakly prime, because it can be changed into another prime (745940854249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372970427424 + 372970427425.

It is an arithmetic number, because the mean of its divisors is an integer number (372970427425).

Almost surely, 2^745940854849 is an apocalyptic number.

It is an amenable number.

745940854849 is a deficient number, since it is larger than the sum of its proper divisors (1).

745940854849 is an equidigital number, since it uses as much as digits as its factorization.

745940854849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 232243200, while the sum is 67.

The spelling of 745940854849 in words is "seven hundred forty-five billion, nine hundred forty million, eight hundred fifty-four thousand, eight hundred forty-nine".