2863961897 has 2 divisors, whose sum is σ = 2863961898. Its totient is φ = 2863961896.

The previous prime is 2863961851. The next prime is 2863961911. The reversal of 2863961897 is 7981693682.

2863961897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1931514601 + 932447296 = 43949^2 + 30536^2 .

It is a cyclic number.

It is not a de Polignac number, because 2863961897 - 2¹⁸ = 2863699753 is a prime.

It is not a weakly prime, because it can be changed into another prime (2863969897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1431980948 + 1431980949.

It is an arithmetic number, because the mean of its divisors is an integer number (1431980949).

Almost surely, 2^2863961897 is an apocalyptic number.

It is an amenable number.

2863961897 is a deficient number, since it is larger than the sum of its proper divisors (1).

2863961897 is an equidigital number, since it uses as much as digits as its factorization.

2863961897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7838208, while the sum is 59.

The square root of 2863961897 is about 53515.9966458628. The cubic root of 2863961897 is about 1420.1113939261. Note that the first 3 decimals are identical.

The spelling of 2863961897 in words is "two billion, eight hundred sixty-three million, nine hundred sixty-one thousand, eight hundred ninety-seven".