3965247615 has 16 divisors (see below), whose sum is σ = 7250738688. Its totient is φ = 1812684576.

The previous prime is 3965247613. The next prime is 3965247619. The reversal of 3965247615 is 5167425693.

It is not a de Polignac number, because 3965247615 - 2¹ = 3965247613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3965247613) 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, 18882027 + ... + 18882236.

It is an arithmetic number, because the mean of its divisors is an integer number (453171168).

Almost surely, 2^3965247615 is an apocalyptic number.

3965247615 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3965247615 is a deficient number, since it is larger than the sum of its proper divisors (3285491073).

3965247615 is a wasteful number, since it uses less digits than its factorization.

3965247615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37764278.

The product of its digits is 1360800, while the sum is 48.

The square root of 3965247615 is about 62970.2121244641. The cubic root of 3965247615 is about 1582.7905094218.

The spelling of 3965247615 in words is "three billion, nine hundred sixty-five million, two hundred forty-seven thousand, six hundred fifteen".