21362450142453 has 8 divisors (see below), whose sum is σ = 32552304979008. Its totient is φ = 12207114367104.

The previous prime is 21362450142421. The next prime is 21362450142559. The reversal of 21362450142453 is 35424105426312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 21362450142453 - 2⁵ = 21362450142421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21362450192453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 508629765276 + ... + 508629765317.

It is an arithmetic number, because the mean of its divisors is an integer number (4069038122376).

Almost surely, 2^{21362450142453} is an apocalyptic number.

It is an amenable number.

21362450142453 is a deficient number, since it is larger than the sum of its proper divisors (11189854836555).

21362450142453 is a wasteful number, since it uses less digits than its factorization.

21362450142453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1017259530603.

The product of its (nonzero) digits is 691200, while the sum is 42.

Adding to 21362450142453 its reverse (35424105426312), we get a palindrome (56786555568765).

The spelling of 21362450142453 in words is "twenty-one trillion, three hundred sixty-two billion, four hundred fifty million, one hundred forty-two thousand, four hundred fifty-three".