3937409012 has 12 divisors (see below), whose sum is σ = 6891328836. Its totient is φ = 1968457920.

The previous prime is 3937408961. The next prime is 3937409023. The reversal of 3937409012 is 2109047393.

It can be written as a sum of positive squares in 2 ways, for example, as 1232992996 + 2704416016 = 35114^2 + 52004^2 .

It is a super-2 number, since 2×3937409012² = 31006379455557632288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 23033 + ... + 91680.

It is an arithmetic number, because the mean of its divisors is an integer number (574277403).

Almost surely, 2^3937409012 is an apocalyptic number.

It is an amenable number.

3937409012 is a deficient number, since it is larger than the sum of its proper divisors (2953919824).

3937409012 is a wasteful number, since it uses less digits than its factorization.

3937409012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123298 (or 123296 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 3937409012 is about 62748.7769761292. The cubic root of 3937409012 is about 1579.0777360839.

The spelling of 3937409012 in words is "three billion, nine hundred thirty-seven million, four hundred nine thousand, twelve".