745191049 has 2 divisors, whose sum is σ = 745191050. Its totient is φ = 745191048.

The previous prime is 745191023. The next prime is 745191059. The reversal of 745191049 is 940191547.

745191049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 579605625 + 165585424 = 24075^2 + 12868^2 .

It is a cyclic number.

It is not a de Polignac number, because 745191049 - 2⁵ = 745191017 is a prime.

It is not a weakly prime, because it can be changed into another prime (745191059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372595524 + 372595525.

It is an arithmetic number, because the mean of its divisors is an integer number (372595525).

Almost surely, 2^745191049 is an apocalyptic number.

It is an amenable number.

745191049 is a deficient number, since it is larger than the sum of its proper divisors (1).

745191049 is an equidigital number, since it uses as much as digits as its factorization.

745191049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 745191049 is about 27298.1876504650. The cubic root of 745191049 is about 906.6142547527.

The spelling of 745191049 in words is "seven hundred forty-five million, one hundred ninety-one thousand, forty-nine".