4081971263472 has 30 divisors (see below), whose sum is σ = 11423850133592. Its totient is φ = 1360657087776.

The previous prime is 4081971263467. The next prime is 4081971263549. The reversal of 4081971263472 is 2743621791804.

4081971263472 is a `hidden beast` number, since 4 + 0 + 81 + 9 + 71 + 26 + 3 + 472 = 666.

It is a super-2 number, since 2×4081971263472² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14173511188 + ... + 14173511475.

Almost surely, 2^{4081971263472} is an apocalyptic number.

It is an amenable number.

4081971263472 is an abundant number, since it is smaller than the sum of its proper divisors (7341878870120).

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

4081971263472 is a wasteful number, since it uses less digits than its factorization.

4081971263472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28347022677 (or 28347022668 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 54.

The spelling of 4081971263472 in words is "four trillion, eighty-one billion, nine hundred seventy-one million, two hundred sixty-three thousand, four hundred seventy-two".