2689249546 has 16 divisors (see below), whose sum is σ = 4062483360. Its totient is φ = 1335101040.

The previous prime is 2689249517. The next prime is 2689249579. The reversal of 2689249546 is 6459429862.

It is a super-2 number, since 2×2689249546² = 14464126241322412232, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 667125 + ... + 671143.

It is an arithmetic number, because the mean of its divisors is an integer number (253905210).

Almost surely, 2^2689249546 is an apocalyptic number.

2689249546 is a deficient number, since it is larger than the sum of its proper divisors (1373233814).

2689249546 is a wasteful number, since it uses less digits than its factorization.

2689249546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6309.

The product of its digits is 7464960, while the sum is 55.

The square root of 2689249546 is about 51857.9747579868. The cubic root of 2689249546 is about 1390.6260737447.

The spelling of 2689249546 in words is "two billion, six hundred eighty-nine million, two hundred forty-nine thousand, five hundred forty-six".