2756689642 has 16 divisors (see below), whose sum is σ = 4726500480. Its totient is φ = 1181251728.

The previous prime is 2756689597. The next prime is 2756689667. The reversal of 2756689642 is 2469866572.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112608 + ... + 134884.

It is an arithmetic number, because the mean of its divisors is an integer number (295406280).

Almost surely, 2^2756689642 is an apocalyptic number.

2756689642 is a deficient number, since it is larger than the sum of its proper divisors (1969810838).

2756689642 is a wasteful number, since it uses less digits than its factorization.

2756689642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31125.

The product of its digits is 8709120, while the sum is 55.

The square root of 2756689642 is about 52504.1868997131. The cubic root of 2756689642 is about 1402.1547841831.

The spelling of 2756689642 in words is "two billion, seven hundred fifty-six million, six hundred eighty-nine thousand, six hundred forty-two".