4231445355461 has 4 divisors (see below), whose sum is σ = 4377357264300. Its totient is φ = 4085533446624.

The previous prime is 4231445355443. The next prime is 4231445355479. The reversal of 4231445355461 is 1645535441324.

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

It is an interprime number because it is at equal distance from previous prime (4231445355443) and next prime (4231445355479).

It can be written as a sum of positive squares in 2 ways, for example, as 1859595868900 + 2371849486561 = 1363670^2 + 1540081^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4231445355461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4231445355481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72955954376 + ... + 72955954433.

It is an arithmetic number, because the mean of its divisors is an integer number (1094339316075).

Almost surely, 2^{4231445355461} is an apocalyptic number.

It is an amenable number.

4231445355461 is a deficient number, since it is larger than the sum of its proper divisors (145911908839).

4231445355461 is a wasteful number, since it uses less digits than its factorization.

4231445355461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145911908838.

The product of its digits is 3456000, while the sum is 47.

The spelling of 4231445355461 in words is "four trillion, two hundred thirty-one billion, four hundred forty-five million, three hundred fifty-five thousand, four hundred sixty-one".