4209516493 has 16 divisors (see below), whose sum is σ = 5190080896. Its totient is φ = 3324732480.

The previous prime is 4209516461. The next prime is 4209516497. The reversal of 4209516493 is 3946159024.

It is a cyclic number.

It is not a de Polignac number, because 4209516493 - 2⁵ = 4209516461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4209516497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11455 + ... + 92467.

It is an arithmetic number, because the mean of its divisors is an integer number (324380056).

Almost surely, 2^4209516493 is an apocalyptic number.

It is an amenable number.

4209516493 is a deficient number, since it is larger than the sum of its proper divisors (980564403).

4209516493 is a wasteful number, since it uses less digits than its factorization.

4209516493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81604.

The product of its (nonzero) digits is 233280, while the sum is 43.

The square root of 4209516493 is about 64880.7867785217. The cubic root of 4209516493 is about 1614.6463127172.

The spelling of 4209516493 in words is "four billion, two hundred nine million, five hundred sixteen thousand, four hundred ninety-three".