2134646461 has 2 divisors, whose sum is σ = 2134646462. Its totient is φ = 2134646460.

The previous prime is 2134646443. The next prime is 2134646467. The reversal of 2134646461 is 1646464312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2087119225 + 47527236 = 45685^2 + 6894^2 .

It is a cyclic number.

It is not a de Polignac number, because 2134646461 - 2¹⁷ = 2134515389 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2134646461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2134646467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1067323230 + 1067323231.

It is an arithmetic number, because the mean of its divisors is an integer number (1067323231).

Almost surely, 2^2134646461 is an apocalyptic number.

It is an amenable number.

2134646461 is a deficient number, since it is larger than the sum of its proper divisors (1).

2134646461 is an equidigital number, since it uses as much as digits as its factorization.

2134646461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82944, while the sum is 37.

The square root of 2134646461 is about 46202.2343723764. The cubic root of 2134646461 is about 1287.5832525548.

The spelling of 2134646461 in words is "two billion, one hundred thirty-four million, six hundred forty-six thousand, four hundred sixty-one".