2945191439 has 2 divisors, whose sum is σ = 2945191440. Its totient is φ = 2945191438.

The previous prime is 2945191393. The next prime is 2945191519. The reversal of 2945191439 is 9341915492.

2945191439 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2945191439 - 2¹⁶ = 2945125903 is a prime.

It is a super-2 number, since 2×2945191439² = 17348305224717781442, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2945191393 and 2945191402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2945196439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1472595719 + 1472595720.

It is an arithmetic number, because the mean of its divisors is an integer number (1472595720).

Almost surely, 2^2945191439 is an apocalyptic number.

2945191439 is a deficient number, since it is larger than the sum of its proper divisors (1).

2945191439 is an equidigital number, since it uses as much as digits as its factorization.

2945191439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 349920, while the sum is 47.

The square root of 2945191439 is about 54269.6180104485. The cubic root of 2945191439 is about 1433.4124639505.

The spelling of 2945191439 in words is "two billion, nine hundred forty-five million, one hundred ninety-one thousand, four hundred thirty-nine".