2690491133 has 8 divisors (see below), whose sum is σ = 2937041856. Its totient is φ = 2444267200.

The previous prime is 2690491127. The next prime is 2690491187. The reversal of 2690491133 is 3311940962.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2690491133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2690491103) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 64316 + ... + 97557.

It is an arithmetic number, because the mean of its divisors is an integer number (367130232).

Almost surely, 2^2690491133 is an apocalyptic number.

It is an amenable number.

2690491133 is a deficient number, since it is larger than the sum of its proper divisors (246550723).

2690491133 is a wasteful number, since it uses less digits than its factorization.

2690491133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163395.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 2690491133 is about 51869.9444090699. The cubic root of 2690491133 is about 1390.8400513596.

The spelling of 2690491133 in words is "two billion, six hundred ninety million, four hundred ninety-one thousand, one hundred thirty-three".