4471971251968 has 36 divisors (see below), whose sum is σ = 9737971496568. Its totient is φ = 2032714204160.

The previous prime is 4471971251959. The next prime is 4471971251977. The reversal of 4471971251968 is 8691521791744.

It is an interprime number because it is at equal distance from previous prime (4471971251959) and next prime (4471971251977).

It is a super-3 number, since 3×4471971251968³ (a number of 39 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 794026171 + ... + 794031802.

It is an arithmetic number, because the mean of its divisors is an integer number (270499208238).

Almost surely, 2^{4471971251968} is an apocalyptic number.

It is an amenable number.

4471971251968 is an abundant number, since it is smaller than the sum of its proper divisors (5266000244600).

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

4471971251968 is a wasteful number, since it uses less digits than its factorization.

4471971251968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1588058000 (or 1588057986 counting only the distinct ones).

The product of its digits is 30481920, while the sum is 64.

The spelling of 4471971251968 in words is "four trillion, four hundred seventy-one billion, nine hundred seventy-one million, two hundred fifty-one thousand, nine hundred sixty-eight".