2388426661 has 2 divisors, whose sum is σ = 2388426662. Its totient is φ = 2388426660.

The previous prime is 2388426571. The next prime is 2388426737. The reversal of 2388426661 is 1666248832.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2384466561 + 3960100 = 48831^2 + 1990^2 .

It is a cyclic number.

It is not a de Polignac number, because 2388426661 - 2⁷ = 2388426533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2388426461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1194213330 + 1194213331.

It is an arithmetic number, because the mean of its divisors is an integer number (1194213331).

Almost surely, 2^2388426661 is an apocalyptic number.

It is an amenable number.

2388426661 is a deficient number, since it is larger than the sum of its proper divisors (1).

2388426661 is an equidigital number, since it uses as much as digits as its factorization.

2388426661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 663552, while the sum is 46.

The square root of 2388426661 is about 48871.5322145725. The cubic root of 2388426661 is about 1336.7103275381.

The spelling of 2388426661 in words is "two billion, three hundred eighty-eight million, four hundred twenty-six thousand, six hundred sixty-one".