1097959019 has 2 divisors, whose sum is σ = 1097959020. Its totient is φ = 1097959018.

The previous prime is 1097959003. The next prime is 1097959021. The reversal of 1097959019 is 9109597901.

It is a strong prime.

It is an emirp because it is prime and its reverse (9109597901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1097959019 - 2⁴ = 1097959003 is a prime.

It is a super-2 number, since 2×1097959019² = 2411028014806884722, which contains 22 as substring.

Together with 1097959021, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1097952019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 548979509 + 548979510.

It is an arithmetic number, because the mean of its divisors is an integer number (548979510).

Almost surely, 2^1097959019 is an apocalyptic number.

1097959019 is a deficient number, since it is larger than the sum of its proper divisors (1).

1097959019 is an equidigital number, since it uses as much as digits as its factorization.

1097959019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 229635, while the sum is 50.

The square root of 1097959019 is about 33135.4646715570. The cubic root of 1097959019 is about 1031.6412765174.

The spelling of 1097959019 in words is "one billion, ninety-seven million, nine hundred fifty-nine thousand, nineteen".