445350769 has 2 divisors, whose sum is σ = 445350770. Its totient is φ = 445350768.

The previous prime is 445350739. The next prime is 445350791. The reversal of 445350769 is 967053544.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 333245025 + 112105744 = 18255^2 + 10588^2 .

It is a cyclic number.

It is not a de Polignac number, because 445350769 - 2⁷ = 445350641 is a prime.

It is a super-2 number, since 2×445350769² = 396674614897782722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (445350739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222675384 + 222675385.

It is an arithmetic number, because the mean of its divisors is an integer number (222675385).

Almost surely, 2^445350769 is an apocalyptic number.

It is an amenable number.

445350769 is a deficient number, since it is larger than the sum of its proper divisors (1).

445350769 is an equidigital number, since it uses as much as digits as its factorization.

445350769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 453600, while the sum is 43.

The square root of 445350769 is about 21103.3354946558. The cubic root of 445350769 is about 763.6612174704.

The spelling of 445350769 in words is "four hundred forty-five million, three hundred fifty thousand, seven hundred sixty-nine".