4771486772381 has 48 divisors (see below), whose sum is σ = 6052273862400. Its totient is φ = 3736122743808.

The previous prime is 4771486772363. The next prime is 4771486772417. The reversal of 4771486772381 is 1832776841774.

It is not a de Polignac number, because 4771486772381 - 2⁶ = 4771486772317 is a prime.

It is a super-2 number, since 2×4771486772381² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4771486772341) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3268145 + ... + 4497081.

It is an arithmetic number, because the mean of its divisors is an integer number (126089038800).

Almost surely, 2^{4771486772381} is an apocalyptic number.

It is an amenable number.

4771486772381 is a deficient number, since it is larger than the sum of its proper divisors (1280787090019).

4771486772381 is a wasteful number, since it uses less digits than its factorization.

4771486772381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1229106 (or 1229099 counting only the distinct ones).

The product of its digits is 88510464, while the sum is 65.

The spelling of 4771486772381 in words is "four trillion, seven hundred seventy-one billion, four hundred eighty-six million, seven hundred seventy-two thousand, three hundred eighty-one".