1093885641 has 14 divisors (see below), whose sum is σ = 1640079290. Its totient is φ = 729256608.

The previous prime is 1093885631. The next prime is 1093885657. The reversal of 1093885641 is 1465883901.

1093885641 is a `hidden beast` number, since 1 + 0 + 9 + 3 + 88 + 564 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 925924041 + 167961600 = 30429^2 + 12960^2 .

It is not a de Polignac number, because 1093885641 - 2⁶ = 1093885577 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1093885601) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 749536 + ... + 750993.

Almost surely, 2^1093885641 is an apocalyptic number.

It is an amenable number.

1093885641 is a deficient number, since it is larger than the sum of its proper divisors (546193649).

1093885641 is an frugal number, since it uses more digits than its factorization.

1093885641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1500547 (or 1500532 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 1093885641 is about 33073.9420238955. The cubic root of 1093885641 is about 1030.3639148304.

The spelling of 1093885641 in words is "one billion, ninety-three million, eight hundred eighty-five thousand, six hundred forty-one".