2955185897 has 2 divisors, whose sum is σ = 2955185898. Its totient is φ = 2955185896.

The previous prime is 2955185861. The next prime is 2955185963. The reversal of 2955185897 is 7985815592.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1883212816 + 1071973081 = 43396^2 + 32741^2 .

It is a cyclic number.

It is not a de Polignac number, because 2955185897 - 2²⁰ = 2954137321 is a prime.

It is not a weakly prime, because it can be changed into another prime (2955187897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1477592948 + 1477592949.

It is an arithmetic number, because the mean of its divisors is an integer number (1477592949).

Almost surely, 2^2955185897 is an apocalyptic number.

It is an amenable number.

2955185897 is a deficient number, since it is larger than the sum of its proper divisors (1).

2955185897 is an equidigital number, since it uses as much as digits as its factorization.

2955185897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072000, while the sum is 59.

The square root of 2955185897 is about 54361.6215449834. The cubic root of 2955185897 is about 1435.0320537382.

The spelling of 2955185897 in words is "two billion, nine hundred fifty-five million, one hundred eighty-five thousand, eight hundred ninety-seven".