3960649137 has 16 divisors (see below), whose sum is σ = 5697008640. Its totient is φ = 2438222592.

The previous prime is 3960649129. The next prime is 3960649177. The reversal of 3960649137 is 7319460693.

3960649137 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3960649137 - 2³ = 3960649129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3960649177) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 729937 + ... + 735342.

It is an arithmetic number, because the mean of its divisors is an integer number (356063040).

Almost surely, 2^3960649137 is an apocalyptic number.

It is an amenable number.

3960649137 is a deficient number, since it is larger than the sum of its proper divisors (1736359503).

3960649137 is a wasteful number, since it uses less digits than its factorization.

3960649137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1465352.

The product of its (nonzero) digits is 734832, while the sum is 48.

The square root of 3960649137 is about 62933.6884108980. The cubic root of 3960649137 is about 1582.1784213134.

The spelling of 3960649137 in words is "three billion, nine hundred sixty million, six hundred forty-nine thousand, one hundred thirty-seven".