61040475410417 has 2 divisors, whose sum is σ = 61040475410418. Its totient is φ = 61040475410416.

The previous prime is 61040475410363. The next prime is 61040475410441. The reversal of 61040475410417 is 71401457404016.

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., 59723205030241 + 1317270380176 = 7728079^2 + 1147724^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61040475410417 is a prime.

It is a super-2 number, since 2×61040475410417² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (61040475410617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30520237705208 + 30520237705209.

It is an arithmetic number, because the mean of its divisors is an integer number (30520237705209).

Almost surely, 2^{61040475410417} is an apocalyptic number.

It is an amenable number.

61040475410417 is a deficient number, since it is larger than the sum of its proper divisors (1).

61040475410417 is an equidigital number, since it uses as much as digits as its factorization.

61040475410417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 376320, while the sum is 44.

The spelling of 61040475410417 in words is "sixty-one trillion, forty billion, four hundred seventy-five million, four hundred ten thousand, four hundred seventeen".