2735731989 has 40 divisors (see below), whose sum is σ = 4226923008. Its totient is φ = 1761484320.

The previous prime is 2735731979. The next prime is 2735732017. The reversal of 2735731989 is 9891375372.

2735731989 is a `hidden beast` number, since 273 + 57 + 319 + 8 + 9 = 666.

It is not a de Polignac number, because 2735731989 - 2⁷ = 2735731861 is a prime.

It is a super-2 number, since 2×2735731989² = 14968459031275792242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2735731969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2000584 + ... + 2001950.

Almost surely, 2^2735731989 is an apocalyptic number.

It is an amenable number.

2735731989 is a deficient number, since it is larger than the sum of its proper divisors (1491191019).

2735731989 is a wasteful number, since it uses less digits than its factorization.

2735731989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2207 (or 2198 counting only the distinct ones).

The product of its digits is 2857680, while the sum is 54.

The square root of 2735731989 is about 52304.2253455684. The cubic root of 2735731989 is about 1398.5924610360.

The spelling of 2735731989 in words is "two billion, seven hundred thirty-five million, seven hundred thirty-one thousand, nine hundred eighty-nine".