2690208331 has 2 divisors, whose sum is σ = 2690208332. Its totient is φ = 2690208330.

The previous prime is 2690208319. The next prime is 2690208343. The reversal of 2690208331 is 1338020962.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (2690208319) and next prime (2690208343).

It is a cyclic number.

It is not a de Polignac number, because 2690208331 - 2¹⁵ = 2690175563 is a prime.

It is a super-2 number, since 2×2690208331² = 14474441728363611122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2690208371) 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 as a sum of consecutive naturals, namely, 1345104165 + 1345104166.

It is an arithmetic number, because the mean of its divisors is an integer number (1345104166).

Almost surely, 2^2690208331 is an apocalyptic number.

2690208331 is a deficient number, since it is larger than the sum of its proper divisors (1).

2690208331 is an equidigital number, since it uses as much as digits as its factorization.

2690208331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 2690208331 is about 51867.2182693462. The cubic root of 2690208331 is about 1390.7913184813.

The spelling of 2690208331 in words is "two billion, six hundred ninety million, two hundred eight thousand, three hundred thirty-one".