10043870191867 has 2 divisors, whose sum is σ = 10043870191868. Its totient is φ = 10043870191866.

The previous prime is 10043870191793. The next prime is 10043870191877. The reversal of 10043870191867 is 76819107834001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10043870191867 is a prime.

It is not a weakly prime, because it can be changed into another prime (10043870191877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5021935095933 + 5021935095934.

It is an arithmetic number, because the mean of its divisors is an integer number (5021935095934).

Almost surely, 2^{10043870191867} is an apocalyptic number.

10043870191867 is a deficient number, since it is larger than the sum of its proper divisors (1).

10043870191867 is an equidigital number, since it uses as much as digits as its factorization.

10043870191867 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2032128, while the sum is 55.

The spelling of 10043870191867 in words is "ten trillion, forty-three billion, eight hundred seventy million, one hundred ninety-one thousand, eight hundred sixty-seven".