2690300857 has 2 divisors, whose sum is σ = 2690300858. Its totient is φ = 2690300856.

The previous prime is 2690300827. The next prime is 2690300867. The reversal of 2690300857 is 7580030962.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1527559056 + 1162741801 = 39084^2 + 34099^2 .

It is a cyclic number.

It is not a de Polignac number, because 2690300857 - 2¹⁵ = 2690268089 is a prime.

It is not a weakly prime, because it can be changed into another prime (2690300827) 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 as a sum of consecutive naturals, namely, 1345150428 + 1345150429.

It is an arithmetic number, because the mean of its divisors is an integer number (1345150429).

Almost surely, 2^2690300857 is an apocalyptic number.

It is an amenable number.

2690300857 is a deficient number, since it is larger than the sum of its proper divisors (1).

2690300857 is an equidigital number, since it uses as much as digits as its factorization.

2690300857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 2690300857 is about 51868.1102123453. The cubic root of 2690300857 is about 1390.8072630807.

The spelling of 2690300857 in words is "two billion, six hundred ninety million, three hundred thousand, eight hundred fifty-seven".