1097985419 has 2 divisors, whose sum is σ = 1097985420. Its totient is φ = 1097985418.

The previous prime is 1097985401. The next prime is 1097985437. The reversal of 1097985419 is 9145897901.

It is a balanced prime because it is at equal distance from previous prime (1097985401) and next prime (1097985437).

It is a cyclic number.

It is not a de Polignac number, because 1097985419 - 2¹² = 1097981323 is a prime.

It is a super-2 number, since 2×1097985419² = 2411143960673211122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1097985439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 548992709 + 548992710.

It is an arithmetic number, because the mean of its divisors is an integer number (548992710).

Almost surely, 2^1097985419 is an apocalyptic number.

1097985419 is a deficient number, since it is larger than the sum of its proper divisors (1).

1097985419 is an equidigital number, since it uses as much as digits as its factorization.

1097985419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 816480, while the sum is 53.

The square root of 1097985419 is about 33135.8630338792. The cubic root of 1097985419 is about 1031.6495449230.

The spelling of 1097985419 in words is "one billion, ninety-seven million, nine hundred eighty-five thousand, four hundred nineteen".