1089871013 has 8 divisors (see below), whose sum is σ = 1358800320. Its totient is φ = 849250080.

The previous prime is 1089871007. The next prime is 1089871019. The reversal of 1089871013 is 3101789801.

It is an interprime number because it is at equal distance from previous prime (1089871007) and next prime (1089871019).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1089871013 - 2⁴ = 1089870997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1089871019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7077008 + ... + 7077161.

It is an arithmetic number, because the mean of its divisors is an integer number (169850040).

Almost surely, 2^1089871013 is an apocalyptic number.

It is an amenable number.

1089871013 is a deficient number, since it is larger than the sum of its proper divisors (268929307).

1089871013 is a wasteful number, since it uses less digits than its factorization.

1089871013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14154187.

The product of its (nonzero) digits is 12096, while the sum is 38.

The square root of 1089871013 is about 33013.1945288547. The cubic root of 1089871013 is about 1029.1018698633.

The spelling of 1089871013 in words is "one billion, eighty-nine million, eight hundred seventy-one thousand, thirteen".