5636423461 has 2 divisors, whose sum is σ = 5636423462. Its totient is φ = 5636423460.

The previous prime is 5636423437. The next prime is 5636423467. The reversal of 5636423461 is 1643246365.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4707332100 + 929091361 = 68610^2 + 30481^2 .

It is a cyclic number.

It is not a de Polignac number, because 5636423461 - 2⁷ = 5636423333 is a prime.

It is a super-2 number, since 2×5636423461² = 63538538863422437042, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5636423467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2818211730 + 2818211731.

It is an arithmetic number, because the mean of its divisors is an integer number (2818211731).

Almost surely, 2^5636423461 is an apocalyptic number.

It is an amenable number.

5636423461 is a deficient number, since it is larger than the sum of its proper divisors (1).

5636423461 is an equidigital number, since it uses as much as digits as its factorization.

5636423461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 311040, while the sum is 40.

The square root of 5636423461 is about 75076.1177805566. The cubic root of 5636423461 is about 1779.6497502377.

The spelling of 5636423461 in words is "five billion, six hundred thirty-six million, four hundred twenty-three thousand, four hundred sixty-one".