73541122891 has 2 divisors, whose sum is σ = 73541122892. Its totient is φ = 73541122890.

The previous prime is 73541122841. The next prime is 73541122901. The reversal of 73541122891 is 19822114537.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 73541122891 - 2¹¹ = 73541120843 is a prime.

It is not a weakly prime, because it can be changed into another prime (73541122801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36770561445 + 36770561446.

It is an arithmetic number, because the mean of its divisors is an integer number (36770561446).

Almost surely, 2^73541122891 is an apocalyptic number.

73541122891 is a deficient number, since it is larger than the sum of its proper divisors (1).

73541122891 is an equidigital number, since it uses as much as digits as its factorization.

73541122891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 43.

The spelling of 73541122891 in words is "seventy-three billion, five hundred forty-one million, one hundred twenty-two thousand, eight hundred ninety-one".