61335927714289 has 2 divisors, whose sum is σ = 61335927714290. Its totient is φ = 61335927714288.

The previous prime is 61335927714287. The next prime is 61335927714323. The reversal of 61335927714289 is 98241772953316.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52802138514064 + 8533789200225 = 7266508^2 + 2921265^2 .

It is a cyclic number.

It is not a de Polignac number, because 61335927714289 - 2¹ = 61335927714287 is a prime.

Together with 61335927714287, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (61335927714287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30667963857144 + 30667963857145.

It is an arithmetic number, because the mean of its divisors is an integer number (30667963857145).

Almost surely, 2^{61335927714289} is an apocalyptic number.

It is an amenable number.

61335927714289 is a deficient number, since it is larger than the sum of its proper divisors (1).

61335927714289 is an equidigital number, since it uses as much as digits as its factorization.

61335927714289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 137168640, while the sum is 67.

The spelling of 61335927714289 in words is "sixty-one trillion, three hundred thirty-five billion, nine hundred twenty-seven million, seven hundred fourteen thousand, two hundred eighty-nine".