1133646461 has 2 divisors, whose sum is σ = 1133646462. Its totient is φ = 1133646460.

The previous prime is 1133646443. The next prime is 1133646463. The reversal of 1133646461 is 1646463311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1088340100 + 45306361 = 32990^2 + 6731^2 .

It is a cyclic number.

It is not a de Polignac number, because 1133646461 - 2¹⁴ = 1133630077 is a prime.

Together with 1133646463, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1133646463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566823230 + 566823231.

It is an arithmetic number, because the mean of its divisors is an integer number (566823231).

Almost surely, 2^1133646461 is an apocalyptic number.

It is an amenable number.

1133646461 is a deficient number, since it is larger than the sum of its proper divisors (1).

1133646461 is an equidigital number, since it uses as much as digits as its factorization.

1133646461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 35.

The square root of 1133646461 is about 33669.6667788679. Note that the first 3 decimals coincide. The cubic root of 1133646461 is about 1042.6996126268.

The spelling of 1133646461 in words is "one billion, one hundred thirty-three million, six hundred forty-six thousand, four hundred sixty-one".