2554649279 has 32 divisors (see below), whose sum is σ = 3410418816. Its totient is φ = 1855918080.

The previous prime is 2554649269. The next prime is 2554649291. The reversal of 2554649279 is 9729464552.

It is a cyclic number.

It is not a de Polignac number, because 2554649279 - 2²⁴ = 2537872063 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2554649279.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2554649269) 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 in 31 ways as a sum of consecutive naturals, for example, 43289 + ... + 83565.

It is an arithmetic number, because the mean of its divisors is an integer number (106575588).

Almost surely, 2^2554649279 is an apocalyptic number.

2554649279 is a deficient number, since it is larger than the sum of its proper divisors (855769537).

2554649279 is a wasteful number, since it uses less digits than its factorization.

2554649279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40355.

The product of its digits is 5443200, while the sum is 53.

The square root of 2554649279 is about 50543.5384495387. The cubic root of 2554649279 is about 1367.0270087761.

The spelling of 2554649279 in words is "two billion, five hundred fifty-four million, six hundred forty-nine thousand, two hundred seventy-nine".