2870728901 has 2 divisors, whose sum is σ = 2870728902. Its totient is φ = 2870728900.

The previous prime is 2870728849. The next prime is 2870728921. The reversal of 2870728901 is 1098270782.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2161785025 + 708943876 = 46495^2 + 26626^2 .

It is a cyclic number.

It is not a de Polignac number, because 2870728901 - 2¹⁸ = 2870466757 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2870728921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1435364450 + 1435364451.

It is an arithmetic number, because the mean of its divisors is an integer number (1435364451).

Almost surely, 2^2870728901 is an apocalyptic number.

It is an amenable number.

2870728901 is a deficient number, since it is larger than the sum of its proper divisors (1).

2870728901 is an equidigital number, since it uses as much as digits as its factorization.

2870728901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112896, while the sum is 44.

The square root of 2870728901 is about 53579.1834670892. The cubic root of 2870728901 is about 1421.2289996477.

The spelling of 2870728901 in words is "two billion, eight hundred seventy million, seven hundred twenty-eight thousand, nine hundred one".