2134343401973 has 2 divisors, whose sum is σ = 2134343401974. Its totient is φ = 2134343401972.

The previous prime is 2134343401961. The next prime is 2134343402017. The reversal of 2134343401973 is 3791043434312.

It is an a-pointer prime, because the next prime (2134343402017) can be obtained adding 2134343401973 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1884121352689 + 250222049284 = 1372633^2 + 500222^2 .

It is a cyclic number.

It is not a de Polignac number, because 2134343401973 - 2¹⁰ = 2134343400949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2134349401973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1067171700986 + 1067171700987.

It is an arithmetic number, because the mean of its divisors is an integer number (1067171700987).

Almost surely, 2^{2134343401973} is an apocalyptic number.

It is an amenable number.

2134343401973 is a deficient number, since it is larger than the sum of its proper divisors (1).

2134343401973 is an equidigital number, since it uses as much as digits as its factorization.

2134343401973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 653184, while the sum is 44.

The spelling of 2134343401973 in words is "two trillion, one hundred thirty-four billion, three hundred forty-three million, four hundred one thousand, nine hundred seventy-three".