2691038998 has 8 divisors (see below), whose sum is σ = 4054186080. Its totient is φ = 1339643640.

The previous prime is 2691038969. The next prime is 2691039011. The reversal of 2691038998 is 8998301962.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2937358 + ... + 2938273.

It is an arithmetic number, because the mean of its divisors is an integer number (506773260).

Almost surely, 2^2691038998 is an apocalyptic number.

2691038998 is a deficient number, since it is larger than the sum of its proper divisors (1363147082).

2691038998 is a wasteful number, since it uses less digits than its factorization.

2691038998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5875862.

The product of its (nonzero) digits is 1679616, while the sum is 55.

The square root of 2691038998 is about 51875.2252814385. The cubic root of 2691038998 is about 1390.9344505890.

The spelling of 2691038998 in words is "two billion, six hundred ninety-one million, thirty-eight thousand, nine hundred ninety-eight".