199914029461 has 2 divisors, whose sum is σ = 199914029462. Its totient is φ = 199914029460.

The previous prime is 199914029443. The next prime is 199914029501. The reversal of 199914029461 is 164920419991.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 133156388836 + 66757640625 = 364906^2 + 258375^2 .

It is a cyclic number.

It is not a de Polignac number, because 199914029461 - 2⁹ = 199914028949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (199914029761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99957014730 + 99957014731.

It is an arithmetic number, because the mean of its divisors is an integer number (99957014731).

Almost surely, 2^199914029461 is an apocalyptic number.

It is an amenable number.

199914029461 is a deficient number, since it is larger than the sum of its proper divisors (1).

199914029461 is an equidigital number, since it uses as much as digits as its factorization.

199914029461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1259712, while the sum is 55.

The spelling of 199914029461 in words is "one hundred ninety-nine billion, nine hundred fourteen million, twenty-nine thousand, four hundred sixty-one".