43220770253 has 4 divisors (see below), whose sum is σ = 43829513568. Its totient is φ = 42612026940.

The previous prime is 43220770249. The next prime is 43220770273. The reversal of 43220770253 is 35207702234.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 43220770253 - 2² = 43220770249 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 (43220770273) 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, 304371551 + ... + 304371692.

It is an arithmetic number, because the mean of its divisors is an integer number (10957378392).

Almost surely, 2^43220770253 is an apocalyptic number.

It is an amenable number.

43220770253 is a deficient number, since it is larger than the sum of its proper divisors (608743315).

43220770253 is an equidigital number, since it uses as much as digits as its factorization.

43220770253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608743314.

The product of its (nonzero) digits is 70560, while the sum is 35.

The spelling of 43220770253 in words is "forty-three billion, two hundred twenty million, seven hundred seventy thousand, two hundred fifty-three".