2055148939 has 2 divisors, whose sum is σ = 2055148940. Its totient is φ = 2055148938.

The previous prime is 2055148913. The next prime is 2055148951. The reversal of 2055148939 is 9398415502.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2055148939 - 2¹⁹ = 2054624651 is a prime.

It is a super-2 number, since 2×2055148939² = 8447274322945651442, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2055148439) 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 as a sum of consecutive naturals, namely, 1027574469 + 1027574470.

It is an arithmetic number, because the mean of its divisors is an integer number (1027574470).

Almost surely, 2^2055148939 is an apocalyptic number.

2055148939 is a deficient number, since it is larger than the sum of its proper divisors (1).

2055148939 is an equidigital number, since it uses as much as digits as its factorization.

2055148939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 388800, while the sum is 46.

The square root of 2055148939 is about 45333.7505507762. The cubic root of 2055148939 is about 1271.3967601211.

The spelling of 2055148939 in words is "two billion, fifty-five million, one hundred forty-eight thousand, nine hundred thirty-nine".