4842313661 has 2 divisors, whose sum is σ = 4842313662. Its totient is φ = 4842313660.

The previous prime is 4842313649. The next prime is 4842313699. The reversal of 4842313661 is 1663132484.

It is a happy number.

It is an a-pointer prime, because the next prime (4842313699) can be obtained adding 4842313661 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4031488036 + 810825625 = 63494^2 + 28475^2 .

It is a cyclic number.

It is not a de Polignac number, because 4842313661 - 2¹⁰ = 4842312637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4842313631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2421156830 + 2421156831.

It is an arithmetic number, because the mean of its divisors is an integer number (2421156831).

Almost surely, 2^4842313661 is an apocalyptic number.

It is an amenable number.

4842313661 is a deficient number, since it is larger than the sum of its proper divisors (1).

4842313661 is an equidigital number, since it uses as much as digits as its factorization.

4842313661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82944, while the sum is 38.

The square root of 4842313661 is about 69586.7348062833. The cubic root of 4842313661 is about 1691.8076035178.

The spelling of 4842313661 in words is "four billion, eight hundred forty-two million, three hundred thirteen thousand, six hundred sixty-one".