2823136642 has 8 divisors (see below), whose sum is σ = 4238381196. Its totient is φ = 1410342912.

The previous prime is 2823136621. The next prime is 2823136661. The reversal of 2823136642 is 2466313282.

It can be written as a sum of positive squares in 2 ways, for example, as 2522148841 + 300987801 = 50221^2 + 17349^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 609823 + ... + 614434.

Almost surely, 2^2823136642 is an apocalyptic number.

2823136642 is a deficient number, since it is larger than the sum of its proper divisors (1415244554).

2823136642 is a wasteful number, since it uses less digits than its factorization.

2823136642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1225412.

The product of its digits is 82944, while the sum is 37.

The square root of 2823136642 is about 53133.1971746478. The cubic root of 2823136642 is about 1413.3312649168.

The spelling of 2823136642 in words is "two billion, eight hundred twenty-three million, one hundred thirty-six thousand, six hundred forty-two".