61612114769 has 2 divisors, whose sum is σ = 61612114770. Its totient is φ = 61612114768.

The previous prime is 61612114649. The next prime is 61612114771. The reversal of 61612114769 is 96741121616.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51285490369 + 10326624400 = 226463^2 + 101620^2 .

It is a cyclic number.

It is not a de Polignac number, because 61612114769 - 2²⁰ = 61611066193 is a prime.

It is a super-2 number, since 2×61612114769² (a number of 22 digits) contains 22 as substring.

Together with 61612114771, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (61612164769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30806057384 + 30806057385.

It is an arithmetic number, because the mean of its divisors is an integer number (30806057385).

Almost surely, 2^61612114769 is an apocalyptic number.

It is an amenable number.

61612114769 is a deficient number, since it is larger than the sum of its proper divisors (1).

61612114769 is an equidigital number, since it uses as much as digits as its factorization.

61612114769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 44.

The spelling of 61612114769 in words is "sixty-one billion, six hundred twelve million, one hundred fourteen thousand, seven hundred sixty-nine".