4494491069 has 2 divisors, whose sum is σ = 4494491070. Its totient is φ = 4494491068.

The previous prime is 4494491051. The next prime is 4494491077. The reversal of 4494491069 is 9601944944.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3202088569 + 1292402500 = 56587^2 + 35950^2 .

It is a cyclic number.

It is not a de Polignac number, because 4494491069 - 2²⁰ = 4493442493 is a prime.

It is a super-2 number, since 2×4494491069² = 40400899938641525522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1494491069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2247245534 + 2247245535.

It is an arithmetic number, because the mean of its divisors is an integer number (2247245535).

Almost surely, 2^4494491069 is an apocalyptic number.

It is an amenable number.

4494491069 is a deficient number, since it is larger than the sum of its proper divisors (1).

4494491069 is an equidigital number, since it uses as much as digits as its factorization.

4494491069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1119744, while the sum is 50.

The square root of 4494491069 is about 67040.9656031296. The cubic root of 4494491069 is about 1650.2896423271.

The spelling of 4494491069 in words is "four billion, four hundred ninety-four million, four hundred ninety-one thousand, sixty-nine".