2543338155 has 16 divisors (see below), whose sum is σ = 4083236640. Its totient is φ = 1351815168.

The previous prime is 2543338151. The next prime is 2543338163. The reversal of 2543338155 is 5518333452.

It is not a de Polignac number, because 2543338155 - 2² = 2543338151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2543338151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 284950 + ... + 293739.

It is an arithmetic number, because the mean of its divisors is an integer number (255202290).

Almost surely, 2^2543338155 is an apocalyptic number.

2543338155 is a deficient number, since it is larger than the sum of its proper divisors (1539898485).

2543338155 is a wasteful number, since it uses less digits than its factorization.

2543338155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578990.

The product of its digits is 216000, while the sum is 39.

The square root of 2543338155 is about 50431.5194595602. The cubic root of 2543338155 is about 1365.0064457826.

The spelling of 2543338155 in words is "two billion, five hundred forty-three million, three hundred thirty-eight thousand, one hundred fifty-five".