2955195121 has 2 divisors, whose sum is σ = 2955195122. Its totient is φ = 2955195120.

The previous prime is 2955195059. The next prime is 2955195137. The reversal of 2955195121 is 1215915592.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2404823521 + 550371600 = 49039^2 + 23460^2 .

It is a cyclic number.

It is not a de Polignac number, because 2955195121 - 2²¹ = 2953097969 is a prime.

It is not a weakly prime, because it can be changed into another prime (2955195151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1477597560 + 1477597561.

It is an arithmetic number, because the mean of its divisors is an integer number (1477597561).

Almost surely, 2^2955195121 is an apocalyptic number.

It is an amenable number.

2955195121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2955195121 is an equidigital number, since it uses as much as digits as its factorization.

2955195121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40500, while the sum is 40.

The square root of 2955195121 is about 54361.7063841819. The cubic root of 2955195121 is about 1435.0335467883.

The spelling of 2955195121 in words is "two billion, nine hundred fifty-five million, one hundred ninety-five thousand, one hundred twenty-one".