5401636453 has 2 divisors, whose sum is σ = 5401636454. Its totient is φ = 5401636452.

The previous prime is 5401636451. The next prime is 5401636469. The reversal of 5401636453 is 3546361045.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4684307364 + 717329089 = 68442^2 + 26783^2 .

It is a cyclic number.

It is not a de Polignac number, because 5401636453 - 2¹ = 5401636451 is a prime.

Together with 5401636451, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5401636451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2700818226 + 2700818227.

It is an arithmetic number, because the mean of its divisors is an integer number (2700818227).

Almost surely, 2^5401636453 is an apocalyptic number.

It is an amenable number.

5401636453 is a deficient number, since it is larger than the sum of its proper divisors (1).

5401636453 is an equidigital number, since it uses as much as digits as its factorization.

5401636453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129600, while the sum is 37.

The square root of 5401636453 is about 73495.8260923707. The cubic root of 5401636453 is about 1754.5878479025.

Adding to 5401636453 its reverse (3546361045), we get a palindrome (8947997498).

The spelling of 5401636453 in words is "five billion, four hundred one million, six hundred thirty-six thousand, four hundred fifty-three".