43053451213 has 4 divisors (see below), whose sum is σ = 43342400700. Its totient is φ = 42764501728.

The previous prime is 43053451183. The next prime is 43053451237. The reversal of 43053451213 is 31215435034.

43053451213 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.

It can be written as a sum of positive squares in 2 ways, for example, as 8599409289 + 34454041924 = 92733^2 + 185618^2 .

It is a cyclic number.

It is not a de Polignac number, because 43053451213 - 2²¹ = 43051354061 is a prime.

It is a super-2 number, since 2×43053451213² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43053451013) 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, 144474520 + ... + 144474817.

It is an arithmetic number, because the mean of its divisors is an integer number (10835600175).

Almost surely, 2^43053451213 is an apocalyptic number.

It is an amenable number.

43053451213 is a deficient number, since it is larger than the sum of its proper divisors (288949487).

43053451213 is a wasteful number, since it uses less digits than its factorization.

43053451213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288949486.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 43053451213 its reverse (31215435034), we get a palindrome (74268886247).

The spelling of 43053451213 in words is "forty-three billion, fifty-three million, four hundred fifty-one thousand, two hundred thirteen".