43200375409 has 3 divisors (see below), whose sum is σ = 43200583257. Its totient is φ = 43200167562.

The previous prime is 43200375397. The next prime is 43200375457. The reversal of 43200375409 is 90457300234.

The square root of 43200375409 is 207847.

It is a perfect power (a square), and thus also a powerful number.

43200375409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 43200375409 - 2²³ = 43191986801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43200376409) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 103924 + ... + 311770.

It is an arithmetic number, because the mean of its divisors is an integer number (14400194419).

Almost surely, 2^43200375409 is an apocalyptic number.

43200375409 is the 207847-th square number.

43200375409 is the 103924-th centered octagonal number.

It is an amenable number.

43200375409 is a deficient number, since it is larger than the sum of its proper divisors (207848).

43200375409 is an frugal number, since it uses more digits than its factorization.

43200375409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415694 (or 207847 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 37.

It can be divided in two parts, 43200 and 375409, that added together give a square (418609 = 647²).

The spelling of 43200375409 in words is "forty-three billion, two hundred million, three hundred seventy-five thousand, four hundred nine".