21422452145435 has 32 divisors (see below), whose sum is σ = 29531709250560. Its totient is φ = 14765854435200.

The previous prime is 21422452145377. The next prime is 21422452145443. The reversal of 21422452145435 is 53454125422412.

It is not a de Polignac number, because 21422452145435 - 2³⁰ = 21421378403611 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 77544431 + ... + 77820200.

It is an arithmetic number, because the mean of its divisors is an integer number (922865914080).

Almost surely, 2^{21422452145435} is an apocalyptic number.

21422452145435 is a deficient number, since it is larger than the sum of its proper divisors (8109257105125).

21422452145435 is a wasteful number, since it uses less digits than its factorization.

21422452145435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155364779.

The product of its digits is 1536000, while the sum is 44.

Adding to 21422452145435 its reverse (53454125422412), we get a palindrome (74876577567847).

The spelling of 21422452145435 in words is "twenty-one trillion, four hundred twenty-two billion, four hundred fifty-two million, one hundred forty-five thousand, four hundred thirty-five".