59817323261 has 2 divisors, whose sum is σ = 59817323262. Its totient is φ = 59817323260.

The previous prime is 59817323243. The next prime is 59817323297. The reversal of 59817323261 is 16232371895.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46874848036 + 12942475225 = 216506^2 + 113765^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-59817323261 is a prime.

It is a super-2 number, since 2×59817323261² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (59817323221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29908661630 + 29908661631.

It is an arithmetic number, because the mean of its divisors is an integer number (29908661631).

Almost surely, 2^59817323261 is an apocalyptic number.

It is an amenable number.

59817323261 is a deficient number, since it is larger than the sum of its proper divisors (1).

59817323261 is an equidigital number, since it uses as much as digits as its factorization.

59817323261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 544320, while the sum is 47.

The spelling of 59817323261 in words is "fifty-nine billion, eight hundred seventeen million, three hundred twenty-three thousand, two hundred sixty-one".