2554909691 has 8 divisors (see below), whose sum is σ = 2590257600. Its totient is φ = 2519637120.

The previous prime is 2554909661. The next prime is 2554909723. The reversal of 2554909691 is 1969094552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2554909691 - 2¹⁰ = 2554908667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2554909601) 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 7 ways as a sum of consecutive naturals, for example, 51245 + ... + 87953.

It is an arithmetic number, because the mean of its divisors is an integer number (323782200).

Almost surely, 2^2554909691 is an apocalyptic number.

2554909691 is a deficient number, since it is larger than the sum of its proper divisors (35347909).

2554909691 is an equidigital number, since it uses as much as digits as its factorization.

2554909691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37669.

The product of its (nonzero) digits is 874800, while the sum is 50.

The square root of 2554909691 is about 50546.1144995340. The cubic root of 2554909691 is about 1367.0734571797.

The spelling of 2554909691 in words is "two billion, five hundred fifty-four million, nine hundred nine thousand, six hundred ninety-one".