91282769411 has 2 divisors, whose sum is σ = 91282769412. Its totient is φ = 91282769410.

The previous prime is 91282769363. The next prime is 91282769437. The reversal of 91282769411 is 11496728219.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-91282769411 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 91282769411.

It is not a weakly prime, because it can be changed into another prime (91282769471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45641384705 + 45641384706.

It is an arithmetic number, because the mean of its divisors is an integer number (45641384706).

Almost surely, 2^91282769411 is an apocalyptic number.

91282769411 is a deficient number, since it is larger than the sum of its proper divisors (1).

91282769411 is an equidigital number, since it uses as much as digits as its factorization.

91282769411 is an evil number, because the sum of its binary digits is even.

The product of its digits is 435456, while the sum is 50.

The spelling of 91282769411 in words is "ninety-one billion, two hundred eighty-two million, seven hundred sixty-nine thousand, four hundred eleven".