3942927650 has 12 divisors (see below), whose sum is σ = 7333845522. Its totient is φ = 1577171040.

The previous prime is 3942927641. The next prime is 3942927707. The reversal of 3942927650 is 567292493.

It can be written as a sum of positive squares in 3 ways, for example, as 2156766481 + 1786161169 = 46441^2 + 42263^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3942927595 and 3942927604.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 39429227 + ... + 39429326.

Almost surely, 2^3942927650 is an apocalyptic number.

3942927650 is a deficient number, since it is larger than the sum of its proper divisors (3390917872).

3942927650 is a wasteful number, since it uses less digits than its factorization.

3942927650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78858565 (or 78858560 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 47.

The square root of 3942927650 is about 62792.7356467291. The cubic root of 3942927650 is about 1579.8151321919.

The spelling of 3942927650 in words is "three billion, nine hundred forty-two million, nine hundred twenty-seven thousand, six hundred fifty".