2139470744 has 32 divisors (see below), whose sum is σ = 4088448000. Its totient is φ = 1049297952.

The previous prime is 2139470731. The next prime is 2139470747. The reversal of 2139470744 is 4470749312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2139470747) by changing a digit.

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, 221357 + ... + 230819.

It is an arithmetic number, because the mean of its divisors is an integer number (127764000).

Almost surely, 2^2139470744 is an apocalyptic number.

It is an amenable number.

2139470744 is a deficient number, since it is larger than the sum of its proper divisors (1948977256).

2139470744 is a wasteful number, since it uses less digits than its factorization.

2139470744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10007 (or 10003 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 41.

The square root of 2139470744 is about 46254.4132380900. The cubic root of 2139470744 is about 1288.5524985227.

The spelling of 2139470744 in words is "two billion, one hundred thirty-nine million, four hundred seventy thousand, seven hundred forty-four".