4688450381 has 2 divisors, whose sum is σ = 4688450382. Its totient is φ = 4688450380.

The previous prime is 4688450339. The next prime is 4688450407. The reversal of 4688450381 is 1830548864.

4688450381 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2591726281 + 2096724100 = 50909^2 + 45790^2 .

It is a cyclic number.

It is not a de Polignac number, because 4688450381 - 2¹⁸ = 4688188237 is a prime.

It is a super-2 number, since 2×4688450381² = 43963133950198090322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4688450311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2344225190 + 2344225191.

It is an arithmetic number, because the mean of its divisors is an integer number (2344225191).

Almost surely, 2^4688450381 is an apocalyptic number.

It is an amenable number.

4688450381 is a deficient number, since it is larger than the sum of its proper divisors (1).

4688450381 is an equidigital number, since it uses as much as digits as its factorization.

4688450381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 737280, while the sum is 47.

The square root of 4688450381 is about 68472.2599378756. The cubic root of 4688450381 is about 1673.6954726924.

The spelling of 4688450381 in words is "four billion, six hundred eighty-eight million, four hundred fifty thousand, three hundred eighty-one".