2643745162 has 8 divisors (see below), whose sum is σ = 4093540992. Its totient is φ = 1279231500.

The previous prime is 2643745109. The next prime is 2643745163. The reversal of 2643745162 is 2615473462.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2643745163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21320464 + ... + 21320587.

It is an arithmetic number, because the mean of its divisors is an integer number (511692624).

Almost surely, 2^2643745162 is an apocalyptic number.

2643745162 is a deficient number, since it is larger than the sum of its proper divisors (1449795830).

2643745162 is a wasteful number, since it uses less digits than its factorization.

2643745162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42641084.

The product of its digits is 241920, while the sum is 40.

The square root of 2643745162 is about 51417.3624566644. The cubic root of 2643745162 is about 1382.7378890788.

The spelling of 2643745162 in words is "two billion, six hundred forty-three million, seven hundred forty-five thousand, one hundred sixty-two".