2875805605949 has 2 divisors, whose sum is σ = 2875805605950. Its totient is φ = 2875805605948.

The previous prime is 2875805605927. The next prime is 2875805606021. The reversal of 2875805605949 is 9495065085782.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2722889413924 + 152916192025 = 1650118^2 + 391045^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2875805605949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2875805605909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1437902802974 + 1437902802975.

It is an arithmetic number, because the mean of its divisors is an integer number (1437902802975).

Almost surely, 2^{2875805605949} is an apocalyptic number.

It is an amenable number.

2875805605949 is a deficient number, since it is larger than the sum of its proper divisors (1).

2875805605949 is an equidigital number, since it uses as much as digits as its factorization.

2875805605949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728000, while the sum is 68.

The spelling of 2875805605949 in words is "two trillion, eight hundred seventy-five billion, eight hundred five million, six hundred five thousand, nine hundred forty-nine".