43010400001 has 4 divisors (see below), whose sum is σ = 43013142612. Its totient is φ = 43007657392.

The previous prime is 43010399987. The next prime is 43010400007. The reversal of 43010400001 is 10000401034.

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 23389114225 + 19621285776 = 152935^2 + 140076^2 .

It is a cyclic number.

It is not a de Polignac number, because 43010400001 - 2¹⁷ = 43010268929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43010400007) 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, 1347646 + ... + 1379191.

It is an arithmetic number, because the mean of its divisors is an integer number (10753285653).

Almost surely, 2^43010400001 is an apocalyptic number.

It is an amenable number.

43010400001 is a deficient number, since it is larger than the sum of its proper divisors (2742611).

43010400001 is a wasteful number, since it uses less digits than its factorization.

43010400001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2742610.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 43010400001 its reverse (10000401034), we get a palindrome (53010801035).

The spelling of 43010400001 in words is "forty-three billion, ten million, four hundred thousand, one".