1089764853 has 16 divisors (see below), whose sum is σ = 1481751360. Its totient is φ = 712168704.

The previous prime is 1089764839. The next prime is 1089764857. The reversal of 1089764853 is 3584679801.

It is not a de Polignac number, because 1089764853 - 2⁸ = 1089764597 is a prime.

It is a super-2 number, since 2×1089764853² = 2375174869668223218, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1089764796 and 1089764805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1089764857) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 234450 + ... + 239052.

It is an arithmetic number, because the mean of its divisors is an integer number (92609460).

Almost surely, 2^1089764853 is an apocalyptic number.

It is an amenable number.

1089764853 is a deficient number, since it is larger than the sum of its proper divisors (391986507).

1089764853 is a wasteful number, since it uses less digits than its factorization.

1089764853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6148.

The product of its (nonzero) digits is 1451520, while the sum is 51.

The square root of 1089764853 is about 33011.5866477211. The cubic root of 1089764853 is about 1029.0684552052.

The spelling of 1089764853 in words is "one billion, eighty-nine million, seven hundred sixty-four thousand, eight hundred fifty-three".