43148851201 has 4 divisors (see below), whose sum is σ = 43214130004. Its totient is φ = 43083572400.

The previous prime is 43148851157. The next prime is 43148851219. The reversal of 43148851201 is 10215884134.

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 15725160000 + 27423691201 = 125400^2 + 165601^2 .

It is a cyclic number.

It is not a de Polignac number, because 43148851201 - 2²⁹ = 42611980289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43148851261) 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, 32638410 + ... + 32639731.

It is an arithmetic number, because the mean of its divisors is an integer number (10803532501).

Almost surely, 2^43148851201 is an apocalyptic number.

It is an amenable number.

43148851201 is a deficient number, since it is larger than the sum of its proper divisors (65278803).

43148851201 is an equidigital number, since it uses as much as digits as its factorization.

43148851201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65278802.

The product of its (nonzero) digits is 30720, while the sum is 37.

The spelling of 43148851201 in words is "forty-three billion, one hundred forty-eight million, eight hundred fifty-one thousand, two hundred one".