5155798249 has 16 divisors (see below), whose sum is σ = 6002979840. Its totient is φ = 4336546320.

The previous prime is 5155798237. The next prime is 5155798261. The reversal of 5155798249 is 9428975515.

It is an interprime number because it is at equal distance from previous prime (5155798237) and next prime (5155798261).

It is a cyclic number.

It is not a de Polignac number, because 5155798249 - 2²¹ = 5153701097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5155798249.

It is not an unprimeable number, because it can be changed into a prime (5155798649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 224892 + ... + 246754.

It is an arithmetic number, because the mean of its divisors is an integer number (375186240).

Almost surely, 2^5155798249 is an apocalyptic number.

5155798249 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

It is an amenable number.

5155798249 is a deficient number, since it is larger than the sum of its proper divisors (847181591).

5155798249 is a wasteful number, since it uses less digits than its factorization.

5155798249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22500.

The product of its digits is 4536000, while the sum is 55.

The square root of 5155798249 is about 71803.8874226180. The cubic root of 5155798249 is about 1727.5553528478. Note that the first 3 decimals are identical.

The spelling of 5155798249 in words is "five billion, one hundred fifty-five million, seven hundred ninety-eight thousand, two hundred forty-nine".