1093431673 has 2 divisors, whose sum is σ = 1093431674. Its totient is φ = 1093431672.

The previous prime is 1093431671. The next prime is 1093431709. The reversal of 1093431673 is 3761343901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1093426489 + 5184 = 33067^2 + 72^2 .

It is a cyclic number.

It is not a de Polignac number, because 1093431673 - 2¹ = 1093431671 is a prime.

Together with 1093431671, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1093431671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 546715836 + 546715837.

It is an arithmetic number, because the mean of its divisors is an integer number (546715837).

Almost surely, 2^1093431673 is an apocalyptic number.

It is an amenable number.

1093431673 is a deficient number, since it is larger than the sum of its proper divisors (1).

1093431673 is an equidigital number, since it uses as much as digits as its factorization.

1093431673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 37.

The square root of 1093431673 is about 33067.0783862137. The cubic root of 1093431673 is about 1030.2213597193.

The spelling of 1093431673 in words is "one billion, ninety-three million, four hundred thirty-one thousand, six hundred seventy-three".