1097874019 has 16 divisors (see below), whose sum is σ = 1260117504. Its totient is φ = 954646440.

The previous prime is 1097873999. The next prime is 1097874031. The reversal of 1097874019 is 9104787901.

It is not a de Polignac number, because 1097874019 - 2¹³ = 1097865827 is a prime.

It is a super-2 number, since 2×1097874019² = 2410654723190424722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1097874019.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1097874049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12682 + ... + 48544.

It is an arithmetic number, because the mean of its divisors is an integer number (78757344).

Almost surely, 2^1097874019 is an apocalyptic number.

1097874019 is a deficient number, since it is larger than the sum of its proper divisors (162243485).

1097874019 is an equidigital number, since it uses as much as digits as its factorization.

1097874019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35919 (or 35897 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 46.

The square root of 1097874019 is about 33134.1820330607. The cubic root of 1097874019 is about 1031.6146538566.

The spelling of 1097874019 in words is "one billion, ninety-seven million, eight hundred seventy-four thousand, nineteen".