65913479953 has 2 divisors, whose sum is σ = 65913479954. Its totient is φ = 65913479952.

The previous prime is 65913479881. The next prime is 65913479963. The reversal of 65913479953 is 35997431956.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43157154049 + 22756325904 = 207743^2 + 150852^2 .

It is a cyclic number.

It is not a de Polignac number, because 65913479953 - 2³³ = 57323545361 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65913479891 and 65913479900.

It is not a weakly prime, because it can be changed into another prime (65913479963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32956739976 + 32956739977.

It is an arithmetic number, because the mean of its divisors is an integer number (32956739977).

Almost surely, 2^65913479953 is an apocalyptic number.

It is an amenable number.

65913479953 is a deficient number, since it is larger than the sum of its proper divisors (1).

65913479953 is an equidigital number, since it uses as much as digits as its factorization.

65913479953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27556200, while the sum is 61.

The spelling of 65913479953 in words is "sixty-five billion, nine hundred thirteen million, four hundred seventy-nine thousand, nine hundred fifty-three".