3509749011 has 4 divisors (see below), whose sum is σ = 4679665352. Its totient is φ = 2339832672.

The previous prime is 3509748961. The next prime is 3509749031. The reversal of 3509749011 is 1109479053.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3509749011 - 2⁷ = 3509748883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3509749031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 584958166 + ... + 584958171.

It is an arithmetic number, because the mean of its divisors is an integer number (1169916338).

Almost surely, 2^3509749011 is an apocalyptic number.

3509749011 is a deficient number, since it is larger than the sum of its proper divisors (1169916341).

3509749011 is a wasteful number, since it uses less digits than its factorization.

3509749011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1169916340.

The product of its (nonzero) digits is 34020, while the sum is 39.

The square root of 3509749011 is about 59243.1347161846. The cubic root of 3509749011 is about 1519.7028809543.

The spelling of 3509749011 in words is "three billion, five hundred nine million, seven hundred forty-nine thousand, eleven".