42153320344453 has 2 divisors, whose sum is σ = 42153320344454. Its totient is φ = 42153320344452.

The previous prime is 42153320344441. The next prime is 42153320344483. The reversal of 42153320344453 is 35444302335124.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42126940737729 + 26379606724 = 6490527^2 + 162418^2 .

It is a cyclic number.

It is not a de Polignac number, because 42153320344453 - 2³³ = 42144730409861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42153320344403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21076660172226 + 21076660172227.

It is an arithmetic number, because the mean of its divisors is an integer number (21076660172227).

Almost surely, 2^{42153320344453} is an apocalyptic number.

It is an amenable number.

42153320344453 is a deficient number, since it is larger than the sum of its proper divisors (1).

42153320344453 is an equidigital number, since it uses as much as digits as its factorization.

42153320344453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2073600, while the sum is 43.

Adding to 42153320344453 its reverse (35444302335124), we get a palindrome (77597622679577).

The spelling of 42153320344453 in words is "forty-two trillion, one hundred fifty-three billion, three hundred twenty million, three hundred forty-four thousand, four hundred fifty-three".