61602756841 has 2 divisors, whose sum is σ = 61602756842. Its totient is φ = 61602756840.

The previous prime is 61602756833. The next prime is 61602756883. The reversal of 61602756841 is 14865720616.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41273985600 + 20328771241 = 203160^2 + 142579^2 .

It is a cyclic number.

It is not a de Polignac number, because 61602756841 - 2³ = 61602756833 is a prime.

It is a super-2 number, since 2×61602756841² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 61602756791 and 61602756800.

It is not a weakly prime, because it can be changed into another prime (61602756811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30801378420 + 30801378421.

It is an arithmetic number, because the mean of its divisors is an integer number (30801378421).

Almost surely, 2^61602756841 is an apocalyptic number.

It is an amenable number.

61602756841 is a deficient number, since it is larger than the sum of its proper divisors (1).

61602756841 is an equidigital number, since it uses as much as digits as its factorization.

61602756841 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 61602756841 in words is "sixty-one billion, six hundred two million, seven hundred fifty-six thousand, eight hundred forty-one".