2690842751 has 4 divisors (see below), whose sum is σ = 2756473104. Its totient is φ = 2625212400.

The previous prime is 2690842747. The next prime is 2690842769. The reversal of 2690842751 is 1572480962.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2690842751 - 2² = 2690842747 is a prime.

It is a super-3 number, since 3×2690842751³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2690842351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32815115 + ... + 32815196.

It is an arithmetic number, because the mean of its divisors is an integer number (689118276).

Almost surely, 2^2690842751 is an apocalyptic number.

2690842751 is a deficient number, since it is larger than the sum of its proper divisors (65630353).

2690842751 is an equidigital number, since it uses as much as digits as its factorization.

2690842751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65630352.

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 2690842751 is about 51873.3337178169. Note that the first 3 decimals coincide. The cubic root of 2690842751 is about 1390.9006379551.

The spelling of 2690842751 in words is "two billion, six hundred ninety million, eight hundred forty-two thousand, seven hundred fifty-one".