3868448629 has 2 divisors, whose sum is σ = 3868448630. Its totient is φ = 3868448628.

The previous prime is 3868448627. The next prime is 3868448663. The reversal of 3868448629 is 9268448683.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2388276900 + 1480171729 = 48870^2 + 38473^2 .

It is a cyclic number.

It is not a de Polignac number, because 3868448629 - 2¹ = 3868448627 is a prime.

Together with 3868448627, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3868448627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1934224314 + 1934224315.

It is an arithmetic number, because the mean of its divisors is an integer number (1934224315).

Almost surely, 2^3868448629 is an apocalyptic number.

It is an amenable number.

3868448629 is a deficient number, since it is larger than the sum of its proper divisors (1).

3868448629 is an equidigital number, since it uses as much as digits as its factorization.

3868448629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15925248, while the sum is 58.

The square root of 3868448629 is about 62196.8538513002. The cubic root of 3868448629 is about 1569.8046505291.

The spelling of 3868448629 in words is "three billion, eight hundred sixty-eight million, four hundred forty-eight thousand, six hundred twenty-nine".