4663525381 has 2 divisors, whose sum is σ = 4663525382. Its totient is φ = 4663525380.

The previous prime is 4663525369. The next prime is 4663525403. The reversal of 4663525381 is 1835253664.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4108169025 + 555356356 = 64095^2 + 23566^2 .

It is a cyclic number.

It is not a de Polignac number, because 4663525381 - 2⁷ = 4663525253 is a prime.

It is a super-2 number, since 2×4663525381² = 43496937958462390322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4663525081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2331762690 + 2331762691.

It is an arithmetic number, because the mean of its divisors is an integer number (2331762691).

Almost surely, 2^4663525381 is an apocalyptic number.

It is an amenable number.

4663525381 is a deficient number, since it is larger than the sum of its proper divisors (1).

4663525381 is an equidigital number, since it uses as much as digits as its factorization.

4663525381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 518400, while the sum is 43.

The square root of 4663525381 is about 68290.0093791178. The cubic root of 4663525381 is about 1670.7242703260.

The spelling of 4663525381 in words is "four billion, six hundred sixty-three million, five hundred twenty-five thousand, three hundred eighty-one".