3966897513 has 16 divisors (see below), whose sum is σ = 5360689152. Its totient is φ = 2609040000.

The previous prime is 3966897499. The next prime is 3966897523. The reversal of 3966897513 is 3157986693.

It is a happy number.

3966897513 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 3966897513 - 2⁴ = 3966897497 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3966897523) 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, 61848 + ... + 108438.

It is an arithmetic number, because the mean of its divisors is an integer number (335043072).

Almost surely, 2^3966897513 is an apocalyptic number.

It is an amenable number.

3966897513 is a deficient number, since it is larger than the sum of its proper divisors (1393791639).

3966897513 is a wasteful number, since it uses less digits than its factorization.

3966897513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46976.

The product of its digits is 7348320, while the sum is 57.

The square root of 3966897513 is about 62983.3113848423. The cubic root of 3966897513 is about 1583.0100064986.

The spelling of 3966897513 in words is "three billion, nine hundred sixty-six million, eight hundred ninety-seven thousand, five hundred thirteen".