1183953485 has 64 divisors (see below), whose sum is σ = 1720051200. Its totient is φ = 770964480.

The previous prime is 1183953437. The next prime is 1183953499. The reversal of 1183953485 is 5843593811.

It is not a de Polignac number, because 1183953485 - 2¹⁰ = 1183952461 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5949416 + ... + 5949614.

It is an arithmetic number, because the mean of its divisors is an integer number (26875800).

Almost surely, 2^1183953485 is an apocalyptic number.

It is an amenable number.

1183953485 is a deficient number, since it is larger than the sum of its proper divisors (536097715).

1183953485 is a wasteful number, since it uses less digits than its factorization.

1183953485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438.

The product of its digits is 518400, while the sum is 47.

The square root of 1183953485 is about 34408.6251541674. The cubic root of 1183953485 is about 1057.9006405025.

The spelling of 1183953485 in words is "one billion, one hundred eighty-three million, nine hundred fifty-three thousand, four hundred eighty-five".