6472968381 has 12 divisors (see below), whose sum is σ = 10199829120. Its totient is φ = 3923011080.

The previous prime is 6472968377. The next prime is 6472968389. The reversal of 6472968381 is 1838692746.

6472968381 is a `hidden beast` number, since 6 + 472 + 96 + 8 + 3 + 81 = 666.

It is not a de Polignac number, because 6472968381 - 2² = 6472968377 is a prime.

It is a super-2 number, since 2×6472968381² = 83798639322851522322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6472968389) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32691661 + ... + 32691858.

It is an arithmetic number, because the mean of its divisors is an integer number (849985760).

Almost surely, 2^6472968381 is an apocalyptic number.

It is an amenable number.

6472968381 is a deficient number, since it is larger than the sum of its proper divisors (3726860739).

6472968381 is a wasteful number, since it uses less digits than its factorization.

6472968381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65383536 (or 65383533 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 54.

The square root of 6472968381 is about 80454.7598405464. The cubic root of 6472968381 is about 1863.6649115098.

The spelling of 6472968381 in words is "six billion, four hundred seventy-two million, nine hundred sixty-eight thousand, three hundred eighty-one".