1949355119 has 2 divisors, whose sum is σ = 1949355120. Its totient is φ = 1949355118.

The previous prime is 1949355049. The next prime is 1949355139. The reversal of 1949355119 is 9115539491.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1949355119 - 2⁸ = 1949354863 is a prime.

It is a super-2 number, since 2×1949355119² = 7599970759943008322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1949355139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 974677559 + 974677560.

It is an arithmetic number, because the mean of its divisors is an integer number (974677560).

Almost surely, 2^1949355119 is an apocalyptic number.

1949355119 is a deficient number, since it is larger than the sum of its proper divisors (1).

1949355119 is an equidigital number, since it uses as much as digits as its factorization.

1949355119 is an evil number, because the sum of its binary digits is even.

The product of its digits is 218700, while the sum is 47.

The square root of 1949355119 is about 44151.5018883843. The cubic root of 1949355119 is about 1249.1952407212.

The spelling of 1949355119 in words is "one billion, nine hundred forty-nine million, three hundred fifty-five thousand, one hundred nineteen".