2870406881 has 2 divisors, whose sum is σ = 2870406882. Its totient is φ = 2870406880.

The previous prime is 2870406859. The next prime is 2870406887. The reversal of 2870406881 is 1886040782.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2693091025 + 177315856 = 51895^2 + 13316^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2870406881 is a prime.

It is a super-2 number, since 2×2870406881² = 16478471324984296322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2870406887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1435203440 + 1435203441.

It is an arithmetic number, because the mean of its divisors is an integer number (1435203441).

Almost surely, 2^2870406881 is an apocalyptic number.

It is an amenable number.

2870406881 is a deficient number, since it is larger than the sum of its proper divisors (1).

2870406881 is an equidigital number, since it uses as much as digits as its factorization.

2870406881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 172032, while the sum is 44.

The square root of 2870406881 is about 53576.1782978219. The cubic root of 2870406881 is about 1421.1758562020.

The spelling of 2870406881 in words is "two billion, eight hundred seventy million, four hundred six thousand, eight hundred eighty-one".