1093729091 has 32 divisors (see below), whose sum is σ = 1420554240. Its totient is φ = 817755264.

The previous prime is 1093729067. The next prime is 1093729141. The reversal of 1093729091 is 1909273901.

It is a cyclic number.

It is not a de Polignac number, because 1093729091 - 2⁶ = 1093729027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1093729891) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1266926 + ... + 1267788.

It is an arithmetic number, because the mean of its divisors is an integer number (44392320).

Almost surely, 2^1093729091 is an apocalyptic number.

1093729091 is a deficient number, since it is larger than the sum of its proper divisors (326825149).

1093729091 is a wasteful number, since it uses less digits than its factorization.

1093729091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1635.

The product of its (nonzero) digits is 30618, while the sum is 41.

The square root of 1093729091 is about 33071.5752724299. The cubic root of 1093729091 is about 1030.3147594281.

The spelling of 1093729091 in words is "one billion, ninety-three million, seven hundred twenty-nine thousand, ninety-one".