2991095160077 has 2 divisors, whose sum is σ = 2991095160078. Its totient is φ = 2991095160076.

The previous prime is 2991095160059. The next prime is 2991095160217. The reversal of 2991095160077 is 7700615901992.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2906789714761 + 84305445316 = 1704931^2 + 290354^2 .

It is a cyclic number.

It is not a de Polignac number, because 2991095160077 - 2⁶ = 2991095160013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2991095169077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1495547580038 + 1495547580039.

It is an arithmetic number, because the mean of its divisors is an integer number (1495547580039).

Almost surely, 2^{2991095160077} is an apocalyptic number.

It is an amenable number.

2991095160077 is a deficient number, since it is larger than the sum of its proper divisors (1).

2991095160077 is an equidigital number, since it uses as much as digits as its factorization.

2991095160077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2143260, while the sum is 56.

The spelling of 2991095160077 in words is "two trillion, nine hundred ninety-one billion, ninety-five million, one hundred sixty thousand, seventy-seven".