1094664397 has 2 divisors, whose sum is σ = 1094664398. Its totient is φ = 1094664396.

The previous prime is 1094664379. The next prime is 1094664449. The reversal of 1094664397 is 7934664901.

Together with previous prime (1094664379) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 943349796 + 151314601 = 30714^2 + 12301^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1094664397 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1094664397.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1094664317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 547332198 + 547332199.

It is an arithmetic number, because the mean of its divisors is an integer number (547332199).

Almost surely, 2^1094664397 is an apocalyptic number.

It is an amenable number.

1094664397 is a deficient number, since it is larger than the sum of its proper divisors (1).

1094664397 is an equidigital number, since it uses as much as digits as its factorization.

1094664397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 979776, while the sum is 49.

The square root of 1094664397 is about 33085.7128833580. The cubic root of 1094664397 is about 1030.6083680930.

The spelling of 1094664397 in words is "one billion, ninety-four million, six hundred sixty-four thousand, three hundred ninety-seven".