2554649269 has 2 divisors, whose sum is σ = 2554649270. Its totient is φ = 2554649268.

The previous prime is 2554649203. The next prime is 2554649291. The reversal of 2554649269 is 9629464552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2548937169 + 5712100 = 50487^2 + 2390^2 .

It is a cyclic number.

It is not a de Polignac number, because 2554649269 - 2¹³ = 2554641077 is a prime.

It is a super-2 number, since 2×2554649269² = 13052465775204468722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2554649369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1277324634 + 1277324635.

It is an arithmetic number, because the mean of its divisors is an integer number (1277324635).

Almost surely, 2^2554649269 is an apocalyptic number.

It is an amenable number.

2554649269 is a deficient number, since it is larger than the sum of its proper divisors (1).

2554649269 is an equidigital number, since it uses as much as digits as its factorization.

2554649269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4665600, while the sum is 52.

The square root of 2554649269 is about 50543.5383506141. The cubic root of 2554649269 is about 1367.0270069924.

The spelling of 2554649269 in words is "two billion, five hundred fifty-four million, six hundred forty-nine thousand, two hundred sixty-nine".