3805971789448 has 32 divisors (see below), whose sum is σ = 7154431830360. Its totient is φ = 1898128488960.

The previous prime is 3805971789379. The next prime is 3805971789463. The reversal of 3805971789448 is 8449871795083.

It can be written as a sum of positive squares in 4 ways, for example, as 3799918638244 + 6053151204 = 1949338^2 + 77802^2 .

It is a super-2 number, since 2×3805971789448² (a number of 26 digits) contains 22 as substring.

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, 5563090 + ... + 6209662.

Almost surely, 2^{3805971789448} is an apocalyptic number.

It is an amenable number.

3805971789448 is a deficient number, since it is larger than the sum of its proper divisors (3348460040912).

3805971789448 is a wasteful number, since it uses less digits than its factorization.

3805971789448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648457 (or 648453 counting only the distinct ones).

The product of its (nonzero) digits is 487710720, while the sum is 73.

The spelling of 3805971789448 in words is "three trillion, eight hundred five billion, nine hundred seventy-one million, seven hundred eighty-nine thousand, four hundred forty-eight".