2872349897 has 2 divisors, whose sum is σ = 2872349898. Its totient is φ = 2872349896.

The previous prime is 2872349839. The next prime is 2872349911. The reversal of 2872349897 is 7989432782.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2685726976 + 186622921 = 51824^2 + 13661^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2872349897 is a prime.

It is not a weakly prime, because it can be changed into another prime (2872349497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1436174948 + 1436174949.

It is an arithmetic number, because the mean of its divisors is an integer number (1436174949).

Almost surely, 2^2872349897 is an apocalyptic number.

It is an amenable number.

2872349897 is a deficient number, since it is larger than the sum of its proper divisors (1).

2872349897 is an equidigital number, since it uses as much as digits as its factorization.

2872349897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12192768, while the sum is 59.

The square root of 2872349897 is about 53594.3084384900. The cubic root of 2872349897 is about 1421.4964547219.

The spelling of 2872349897 in words is "two billion, eight hundred seventy-two million, three hundred forty-nine thousand, eight hundred ninety-seven".