65408926157 has 2 divisors, whose sum is σ = 65408926158. Its totient is φ = 65408926156.

The previous prime is 65408926111. The next prime is 65408926237. The reversal of 65408926157 is 75162980456.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50342345641 + 15066580516 = 224371^2 + 122746^2 .

It is a cyclic number.

It is not a de Polignac number, because 65408926157 - 2¹⁴ = 65408909773 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65408926099 and 65408926108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65408926357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32704463078 + 32704463079.

It is an arithmetic number, because the mean of its divisors is an integer number (32704463079).

Almost surely, 2^65408926157 is an apocalyptic number.

It is an amenable number.

65408926157 is a deficient number, since it is larger than the sum of its proper divisors (1).

65408926157 is an equidigital number, since it uses as much as digits as its factorization.

65408926157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3628800, while the sum is 53.

The spelling of 65408926157 in words is "sixty-five billion, four hundred eight million, nine hundred twenty-six thousand, one hundred fifty-seven".