2751855149 has 2 divisors, whose sum is σ = 2751855150. Its totient is φ = 2751855148.

The previous prime is 2751855143. The next prime is 2751855157. The reversal of 2751855149 is 9415581572.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2646382249 + 105472900 = 51443^2 + 10270^2 .

It is a cyclic number.

It is not a de Polignac number, because 2751855149 - 2²⁸ = 2483419693 is a prime.

It is a super-2 number, since 2×2751855149² = 15145413522155624402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2751855143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1375927574 + 1375927575.

It is an arithmetic number, because the mean of its divisors is an integer number (1375927575).

Almost surely, 2^2751855149 is an apocalyptic number.

It is an amenable number.

2751855149 is a deficient number, since it is larger than the sum of its proper divisors (1).

2751855149 is an equidigital number, since it uses as much as digits as its factorization.

2751855149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 504000, while the sum is 47.

The square root of 2751855149 is about 52458.1275780979. The cubic root of 2751855149 is about 1401.3346369640.

The spelling of 2751855149 in words is "two billion, seven hundred fifty-one million, eight hundred fifty-five thousand, one hundred forty-nine".