2621132798 has 8 divisors (see below), whose sum is σ = 3932244792. Its totient is φ = 1310384536.

The previous prime is 2621132797. The next prime is 2621132819. The reversal of 2621132798 is 8972311262.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2621132791) 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, 72140 + ... + 102207.

It is an arithmetic number, because the mean of its divisors is an integer number (491530599).

Almost surely, 2^2621132798 is an apocalyptic number.

2621132798 is a deficient number, since it is larger than the sum of its proper divisors (1311111994).

2621132798 is a wasteful number, since it uses less digits than its factorization.

2621132798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181866.

The product of its digits is 72576, while the sum is 41.

The square root of 2621132798 is about 51196.9998925718. Note that the first 3 decimals coincide. The cubic root of 2621132798 is about 1378.7843382984.

The spelling of 2621132798 in words is "two billion, six hundred twenty-one million, one hundred thirty-two thousand, seven hundred ninety-eight".