3969450694340 has 24 divisors (see below), whose sum is σ = 8339875470360. Its totient is φ = 1587012846848.

The previous prime is 3969450694327. The next prime is 3969450694351. The reversal of 3969450694340 is 434960549693.

It can be written as a sum of positive squares in 4 ways, for example, as 6580129924 + 3962870564416 = 81118^2 + 1990696^2 .

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, 47922017 + ... + 48004776.

It is an arithmetic number, because the mean of its divisors is an integer number (347494811265).

Almost surely, 2^{3969450694340} is an apocalyptic number.

It is an amenable number.

3969450694340 is an abundant number, since it is smaller than the sum of its proper divisors (4370424776020).

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

3969450694340 is a wasteful number, since it uses less digits than its factorization.

3969450694340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95928871 (or 95928869 counting only the distinct ones).

The product of its (nonzero) digits is 75582720, while the sum is 62.

The spelling of 3969450694340 in words is "three trillion, nine hundred sixty-nine billion, four hundred fifty million, six hundred ninety-four thousand, three hundred forty".