4213262666945 has 4 divisors (see below), whose sum is σ = 5055915200340. Its totient is φ = 3370610133552.

The previous prime is 4213262666941. The next prime is 4213262666969. The reversal of 4213262666945 is 5496662623124.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2476918835329 + 1736343831616 = 1573823^2 + 1317704^2 .

It is a cyclic number.

It is not a de Polignac number, because 4213262666945 - 2² = 4213262666941 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4213262666941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 421326266690 + ... + 421326266699.

It is an arithmetic number, because the mean of its divisors is an integer number (1263978800085).

Almost surely, 2^{4213262666945} is an apocalyptic number.

It is an amenable number.

4213262666945 is a deficient number, since it is larger than the sum of its proper divisors (842652533395).

4213262666945 is an equidigital number, since it uses as much as digits as its factorization.

4213262666945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842652533394.

The product of its digits is 22394880, while the sum is 56.

The spelling of 4213262666945 in words is "four trillion, two hundred thirteen billion, two hundred sixty-two million, six hundred sixty-six thousand, nine hundred forty-five".