3969730464 has 48 divisors (see below), whose sum is σ = 11909193408. Its totient is φ = 1134208512.

The previous prime is 3969730463. The next prime is 3969730483. The reversal of 3969730464 is 4640379693.

3969730464 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 a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (3969730463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2952997 + ... + 2954340.

It is an arithmetic number, because the mean of its divisors is an integer number (248108196).

Almost surely, 2^3969730464 is an apocalyptic number.

It is an amenable number.

3969730464 is an abundant number, since it is smaller than the sum of its proper divisors (7939462944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3969730464 is a wasteful number, since it uses less digits than its factorization.

3969730464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5907357 (or 5907349 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 51.

The square root of 3969730464 is about 63005.7970666192. The cubic root of 3969730464 is about 1583.3867511827.

The spelling of 3969730464 in words is "three billion, nine hundred sixty-nine million, seven hundred thirty thousand, four hundred sixty-four".