834151993601 has 2 divisors, whose sum is σ = 834151993602. Its totient is φ = 834151993600.

The previous prime is 834151993583. The next prime is 834151993613. The reversal of 834151993601 is 106399151438.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 829456455025 + 4695538576 = 910745^2 + 68524^2 .

It is a cyclic number.

It is not a de Polignac number, because 834151993601 - 2²² = 834147799297 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 834151993601.

It is not a weakly prime, because it can be changed into another prime (834151993651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 417075996800 + 417075996801.

It is an arithmetic number, because the mean of its divisors is an integer number (417075996801).

Almost surely, 2^834151993601 is an apocalyptic number.

It is an amenable number.

834151993601 is a deficient number, since it is larger than the sum of its proper divisors (1).

834151993601 is an equidigital number, since it uses as much as digits as its factorization.

834151993601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 699840, while the sum is 50.

The spelling of 834151993601 in words is "eight hundred thirty-four billion, one hundred fifty-one million, nine hundred ninety-three thousand, six hundred one".