4763645381 has 4 divisors (see below), whose sum is σ = 5196704064. Its totient is φ = 4330586700.

The previous prime is 4763645351. The next prime is 4763645389. The reversal of 4763645381 is 1835463674.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4763645381 - 2²² = 4759451077 is a prime.

It is a super-2 number, since 2×4763645381² = 45384634631845270322, which 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 (4763645389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216529325 + ... + 216529346.

It is an arithmetic number, because the mean of its divisors is an integer number (1299176016).

Almost surely, 2^4763645381 is an apocalyptic number.

It is an amenable number.

4763645381 is a deficient number, since it is larger than the sum of its proper divisors (433058683).

4763645381 is a wasteful number, since it uses less digits than its factorization.

4763645381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433058682.

The product of its digits is 1451520, while the sum is 47.

The square root of 4763645381 is about 69019.1667654717. The cubic root of 4763645381 is about 1682.5958288853.

The spelling of 4763645381 in words is "four billion, seven hundred sixty-three million, six hundred forty-five thousand, three hundred eighty-one".