2834543366621 has 2 divisors, whose sum is σ = 2834543366622. Its totient is φ = 2834543366620.

The previous prime is 2834543366593. The next prime is 2834543366713. The reversal of 2834543366621 is 1266633454382.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2833684056025 + 859310596 = 1683355^2 + 29314^2 .

It is a cyclic number.

It is not a de Polignac number, because 2834543366621 - 2¹⁰ = 2834543365597 is a prime.

It is a super-2 number, since 2×2834543366621² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2834543362621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1417271683310 + 1417271683311.

It is an arithmetic number, because the mean of its divisors is an integer number (1417271683311).

Almost surely, 2^{2834543366621} is an apocalyptic number.

It is an amenable number.

2834543366621 is a deficient number, since it is larger than the sum of its proper divisors (1).

2834543366621 is an equidigital number, since it uses as much as digits as its factorization.

2834543366621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14929920, while the sum is 53.

The spelling of 2834543366621 in words is "two trillion, eight hundred thirty-four billion, five hundred forty-three million, three hundred sixty-six thousand, six hundred twenty-one".