1097475019 has 8 divisors (see below), whose sum is σ = 1127580080. Its totient is φ = 1067393376.

The previous prime is 1097474999. The next prime is 1097475121. The reversal of 1097475019 is 9105747901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1097475019 - 2⁷ = 1097474891 is a prime.

It is a super-2 number, since 2×1097475019² = 2408902834658100722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1097475319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134377 + ... + 142309.

It is an arithmetic number, because the mean of its divisors is an integer number (140947510).

Almost surely, 2^1097475019 is an apocalyptic number.

1097475019 is a deficient number, since it is larger than the sum of its proper divisors (30105061).

1097475019 is an equidigital number, since it uses as much as digits as its factorization.

1097475019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11709.

The product of its (nonzero) digits is 79380, while the sum is 43.

The square root of 1097475019 is about 33128.1605133759. The cubic root of 1097475019 is about 1031.4896655872.

The spelling of 1097475019 in words is "one billion, ninety-seven million, four hundred seventy-five thousand, nineteen".