3969513835 has 8 divisors (see below), whose sum is σ = 5443904736. Its totient is φ = 2721952320.

The previous prime is 3969513791. The next prime is 3969513841. The reversal of 3969513835 is 5383159693.

3969513835 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3969513835 - 2⁹ = 3969513323 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56707306 + ... + 56707375.

It is an arithmetic number, because the mean of its divisors is an integer number (680488092).

Almost surely, 2^3969513835 is an apocalyptic number.

3969513835 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3969513835 is a deficient number, since it is larger than the sum of its proper divisors (1474390901).

3969513835 is a wasteful number, since it uses less digits than its factorization.

3969513835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113414693.

The product of its digits is 2624400, while the sum is 52.

The square root of 3969513835 is about 63004.0779235757. The cubic root of 3969513835 is about 1583.3579487463.

The spelling of 3969513835 in words is "three billion, nine hundred sixty-nine million, five hundred thirteen thousand, eight hundred thirty-five".