4223421545137 has 2 divisors, whose sum is σ = 4223421545138. Its totient is φ = 4223421545136.

The previous prime is 4223421545053. The next prime is 4223421545171. The reversal of 4223421545137 is 7315451243224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3448389576256 + 775031968881 = 1856984^2 + 880359^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4223421545137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4223421545093 and 4223421545102.

It is not a weakly prime, because it can be changed into another prime (4223421545237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2111710772568 + 2111710772569.

It is an arithmetic number, because the mean of its divisors is an integer number (2111710772569).

Almost surely, 2^{4223421545137} is an apocalyptic number.

It is an amenable number.

4223421545137 is a deficient number, since it is larger than the sum of its proper divisors (1).

4223421545137 is an equidigital number, since it uses as much as digits as its factorization.

4223421545137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 806400, while the sum is 43.

The spelling of 4223421545137 in words is "four trillion, two hundred twenty-three billion, four hundred twenty-one million, five hundred forty-five thousand, one hundred thirty-seven".