21314422454426 has 16 divisors (see below), whose sum is σ = 32006286055080. Its totient is φ = 10645661752320.

The previous prime is 21314422454407. The next prime is 21314422454471. The reversal of 21314422454426 is 62445422441312.

It can be written as a sum of positive squares in 4 ways, for example, as 17839177086025 + 3475245368401 = 4223645^2 + 1864201^2 .

It is a super-3 number, since 3×21314422454426³ (a number of 41 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32978060 + ... + 33618168.

Almost surely, 2^{21314422454426} is an apocalyptic number.

21314422454426 is a deficient number, since it is larger than the sum of its proper divisors (10691863600654).

21314422454426 is a wasteful number, since it uses less digits than its factorization.

21314422454426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658129.

The product of its digits is 1474560, while the sum is 44.

Adding to 21314422454426 its reverse (62445422441312), we get a palindrome (83759844895738).

The spelling of 21314422454426 in words is "twenty-one trillion, three hundred fourteen billion, four hundred twenty-two million, four hundred fifty-four thousand, four hundred twenty-six".