91677510241 has 2 divisors, whose sum is σ = 91677510242. Its totient is φ = 91677510240.

The previous prime is 91677510217. The next prime is 91677510277. The reversal of 91677510241 is 14201577619.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87736809616 + 3940700625 = 296204^2 + 62775^2 .

It is a cyclic number.

It is not a de Polignac number, because 91677510241 - 2¹¹ = 91677508193 is a prime.

It is a super-3 number, since 3×91677510241³ (a number of 34 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (91677510341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45838755120 + 45838755121.

It is an arithmetic number, because the mean of its divisors is an integer number (45838755121).

Almost surely, 2^91677510241 is an apocalyptic number.

It is an amenable number.

91677510241 is a deficient number, since it is larger than the sum of its proper divisors (1).

91677510241 is an equidigital number, since it uses as much as digits as its factorization.

91677510241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105840, while the sum is 43.

The spelling of 91677510241 in words is "ninety-one billion, six hundred seventy-seven million, five hundred ten thousand, two hundred forty-one".