4455691447 has 2 divisors, whose sum is σ = 4455691448. Its totient is φ = 4455691446.

The previous prime is 4455691421. The next prime is 4455691451. The reversal of 4455691447 is 7441965544.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4455691447 - 2⁷ = 4455691319 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4455691447.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4455691847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2227845723 + 2227845724.

It is an arithmetic number, because the mean of its divisors is an integer number (2227845724).

Almost surely, 2^4455691447 is an apocalyptic number.

4455691447 is a deficient number, since it is larger than the sum of its proper divisors (1).

4455691447 is an equidigital number, since it uses as much as digits as its factorization.

4455691447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2419200, while the sum is 49.

The square root of 4455691447 is about 66750.9658881428. The cubic root of 4455691447 is about 1645.5270893403.

The spelling of 4455691447 in words is "four billion, four hundred fifty-five million, six hundred ninety-one thousand, four hundred forty-seven".