2945191519 has 2 divisors, whose sum is σ = 2945191520. Its totient is φ = 2945191518.

The previous prime is 2945191439. The next prime is 2945191547. The reversal of 2945191519 is 9151915492.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2945191519 - 2⁷ = 2945191391 is a prime.

It is a super-2 number, since 2×2945191519² = 17348306167179054722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2945191619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1472595759 + 1472595760.

It is an arithmetic number, because the mean of its divisors is an integer number (1472595760).

Almost surely, 2^2945191519 is an apocalyptic number.

2945191519 is a deficient number, since it is larger than the sum of its proper divisors (1).

2945191519 is an equidigital number, since it uses as much as digits as its factorization.

2945191519 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145800, while the sum is 46.

The square root of 2945191519 is about 54269.6187475092. The cubic root of 2945191519 is about 1433.4124769291.

The spelling of 2945191519 in words is "two billion, nine hundred forty-five million, one hundred ninety-one thousand, five hundred nineteen".