2423376661 has 2 divisors, whose sum is σ = 2423376662. Its totient is φ = 2423376660.

The previous prime is 2423376607. The next prime is 2423376701. The reversal of 2423376661 is 1666733242.

It is an a-pointer prime, because the next prime (2423376701) can be obtained adding 2423376661 to its sum of digits (40).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2421230436 + 2146225 = 49206^2 + 1465^2 .

It is a cyclic number.

It is not a de Polignac number, because 2423376661 - 2¹⁷ = 2423245589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2423376961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1211688330 + 1211688331.

It is an arithmetic number, because the mean of its divisors is an integer number (1211688331).

Almost surely, 2^2423376661 is an apocalyptic number.

It is an amenable number.

2423376661 is a deficient number, since it is larger than the sum of its proper divisors (1).

2423376661 is an equidigital number, since it uses as much as digits as its factorization.

2423376661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 40.

The square root of 2423376661 is about 49227.8037393504. The cubic root of 2423376661 is about 1343.1988366734.

The spelling of 2423376661 in words is "two billion, four hundred twenty-three million, three hundred seventy-six thousand, six hundred sixty-one".