801600242761 has 2 divisors, whose sum is σ = 801600242762. Its totient is φ = 801600242760.

The previous prime is 801600242629. The next prime is 801600242791. The reversal of 801600242761 is 167242006108.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 532907300025 + 268692942736 = 730005^2 + 518356^2 .

It is a cyclic number.

It is not a de Polignac number, because 801600242761 - 2⁹ = 801600242249 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 801600242761.

It is not a weakly prime, because it can be changed into another prime (801600242791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400800121380 + 400800121381.

It is an arithmetic number, because the mean of its divisors is an integer number (400800121381).

Almost surely, 2^801600242761 is an apocalyptic number.

It is an amenable number.

801600242761 is a deficient number, since it is larger than the sum of its proper divisors (1).

801600242761 is an equidigital number, since it uses as much as digits as its factorization.

801600242761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 37.

Adding to 801600242761 its reverse (167242006108), we get a palindrome (968842248869).

The spelling of 801600242761 in words is "eight hundred one billion, six hundred million, two hundred forty-two thousand, seven hundred sixty-one".