1089842373 has 48 divisors (see below), whose sum is σ = 1675739520. Its totient is φ = 681132672.

The previous prime is 1089842357. The next prime is 1089842387. The reversal of 1089842373 is 3732489801.

It is not a de Polignac number, because 1089842373 - 2⁴ = 1089842357 is a prime.

It is a super-2 number, since 2×1089842373² = 2375512795972542258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1089842333) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3934311 + ... + 3934587.

It is an arithmetic number, because the mean of its divisors is an integer number (34911240).

Almost surely, 2^1089842373 is an apocalyptic number.

It is an amenable number.

1089842373 is a deficient number, since it is larger than the sum of its proper divisors (585897147).

1089842373 is a wasteful number, since it uses less digits than its factorization.

1089842373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618 (or 615 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 1089842373 is about 33012.7607600455. The cubic root of 1089842373 is about 1029.0928554217.

The spelling of 1089842373 in words is "one billion, eighty-nine million, eight hundred forty-two thousand, three hundred seventy-three".