1097928193 has 2 divisors, whose sum is σ = 1097928194. Its totient is φ = 1097928192.

The previous prime is 1097928179. The next prime is 1097928229. The reversal of 1097928193 is 3918297901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 602064369 + 495863824 = 24537^2 + 22268^2 .

It is a cyclic number.

It is not a de Polignac number, because 1097928193 - 2¹³ = 1097920001 is a prime.

It is not a weakly prime, because it can be changed into another prime (1097928113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 548964096 + 548964097.

It is an arithmetic number, because the mean of its divisors is an integer number (548964097).

Almost surely, 2^1097928193 is an apocalyptic number.

It is an amenable number.

1097928193 is a deficient number, since it is larger than the sum of its proper divisors (1).

1097928193 is an equidigital number, since it uses as much as digits as its factorization.

1097928193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 244944, while the sum is 49.

The square root of 1097928193 is about 33134.9995171269. Note that the first 3 decimals coincide. The cubic root of 1097928193 is about 1031.6316217334.

The spelling of 1097928193 in words is "one billion, ninety-seven million, nine hundred twenty-eight thousand, one hundred ninety-three".