10400203453 has 2 divisors, whose sum is σ = 10400203454. Its totient is φ = 10400203452.

The previous prime is 10400203379. The next prime is 10400203477. The reversal of 10400203453 is 35430200401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10232940964 + 167262489 = 101158^2 + 12933^2 .

It is a cyclic number.

It is not a de Polignac number, because 10400203453 - 2⁹ = 10400202941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10400203553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5200101726 + 5200101727.

It is an arithmetic number, because the mean of its divisors is an integer number (5200101727).

Almost surely, 2^10400203453 is an apocalyptic number.

It is an amenable number.

10400203453 is a deficient number, since it is larger than the sum of its proper divisors (1).

10400203453 is an equidigital number, since it uses as much as digits as its factorization.

10400203453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 22.

Adding to 10400203453 its reverse (35430200401), we get a palindrome (45830403854).

The spelling of 10400203453 in words is "ten billion, four hundred million, two hundred three thousand, four hundred fifty-three".