1097933971 has 2 divisors, whose sum is σ = 1097933972. Its totient is φ = 1097933970.

The previous prime is 1097933953. The next prime is 1097933987. The reversal of 1097933971 is 1793397901.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1097933971 - 2¹³ = 1097925779 is a prime.

It is not a weakly prime, because it can be changed into another prime (1097933071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 548966985 + 548966986.

It is an arithmetic number, because the mean of its divisors is an integer number (548966986).

Almost surely, 2^1097933971 is an apocalyptic number.

1097933971 is a deficient number, since it is larger than the sum of its proper divisors (1).

1097933971 is an equidigital number, since it uses as much as digits as its factorization.

1097933971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 321489, while the sum is 49.

The square root of 1097933971 is about 33135.0867057867. The cubic root of 1097933971 is about 1031.6334314319.

The spelling of 1097933971 in words is "one billion, ninety-seven million, nine hundred thirty-three thousand, nine hundred seventy-one".