2623916642 has 8 divisors (see below), whose sum is σ = 4042250076. Its totient is φ = 1276499952.

The previous prime is 2623916621. The next prime is 2623916693. The reversal of 2623916642 is 2466193262.

It can be written as a sum of positive squares in 2 ways, for example, as 2573634361 + 50282281 = 50731^2 + 7091^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 2623916642.

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, 17729093 + ... + 17729240.

Almost surely, 2^2623916642 is an apocalyptic number.

2623916642 is a deficient number, since it is larger than the sum of its proper divisors (1418333434).

2623916642 is a wasteful number, since it uses less digits than its factorization.

2623916642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35458372.

The product of its digits is 186624, while the sum is 41.

The square root of 2623916642 is about 51224.1802472231. The cubic root of 2623916642 is about 1379.2722904856.

The spelling of 2623916642 in words is "two billion, six hundred twenty-three million, nine hundred sixteen thousand, six hundred forty-two".