1870117411 has 2 divisors, whose sum is σ = 1870117412. Its totient is φ = 1870117410.

The previous prime is 1870117391. The next prime is 1870117421. The reversal of 1870117411 is 1147110781.

It is a strong prime.

It is an emirp because it is prime and its reverse (1147110781) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1870117411 is a prime.

It is not a weakly prime, because it can be changed into another prime (1870117421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 935058705 + 935058706.

It is an arithmetic number, because the mean of its divisors is an integer number (935058706).

Almost surely, 2^1870117411 is an apocalyptic number.

1870117411 is a deficient number, since it is larger than the sum of its proper divisors (1).

1870117411 is an equidigital number, since it uses as much as digits as its factorization.

1870117411 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1568, while the sum is 31.

The square root of 1870117411 is about 43244.8541563040. The cubic root of 1870117411 is about 1232.0347511825.

The spelling of 1870117411 in words is "one billion, eight hundred seventy million, one hundred seventeen thousand, four hundred eleven".