6415964243 has 16 divisors (see below), whose sum is σ = 7114329600. Its totient is φ = 5747677056.

The previous prime is 6415964239. The next prime is 6415964249. The reversal of 6415964243 is 3424695146.

It is a cyclic number.

It is not a de Polignac number, because 6415964243 - 2² = 6415964239 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6415964194 and 6415964203.

It is not an unprimeable number, because it can be changed into a prime (6415964249) 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, 174158 + ... + 207756.

It is an arithmetic number, because the mean of its divisors is an integer number (444645600).

Almost surely, 2^6415964243 is an apocalyptic number.

6415964243 is a deficient number, since it is larger than the sum of its proper divisors (698365357).

6415964243 is a wasteful number, since it uses less digits than its factorization.

6415964243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34046.

The product of its digits is 622080, while the sum is 44.

The square root of 6415964243 is about 80099.7143752710. The cubic root of 6415964243 is about 1858.1779902314.

The spelling of 6415964243 in words is "six billion, four hundred fifteen million, nine hundred sixty-four thousand, two hundred forty-three".