2550698669 has 2 divisors, whose sum is σ = 2550698670. Its totient is φ = 2550698668.

The previous prime is 2550698663. The next prime is 2550698671. The reversal of 2550698669 is 9668960552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1817913769 + 732784900 = 42637^2 + 27070^2 .

It is a cyclic number.

It is not a de Polignac number, because 2550698669 - 2¹⁶ = 2550633133 is a prime.

It is a super-2 number, since 2×2550698669² = 13012127400076743122, which contains 22 as substring.

Together with 2550698671, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2550698663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1275349334 + 1275349335.

It is an arithmetic number, because the mean of its divisors is an integer number (1275349335).

Almost surely, 2^2550698669 is an apocalyptic number.

It is an amenable number.

2550698669 is a deficient number, since it is larger than the sum of its proper divisors (1).

2550698669 is an equidigital number, since it uses as much as digits as its factorization.

2550698669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6998400, while the sum is 56.

The square root of 2550698669 is about 50504.4420719604. The cubic root of 2550698669 is about 1366.3219704622.

The spelling of 2550698669 in words is "two billion, five hundred fifty million, six hundred ninety-eight thousand, six hundred sixty-nine".