43241402399 has 4 divisors (see below), whose sum is σ = 46567664136. Its totient is φ = 39915140664.

The previous prime is 43241402291. The next prime is 43241402431. The reversal of 43241402399 is 99320414234.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43241402399 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 (43241404399) 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, 1663130849 + ... + 1663130874.

It is an arithmetic number, because the mean of its divisors is an integer number (11641916034).

Almost surely, 2^43241402399 is an apocalyptic number.

43241402399 is a deficient number, since it is larger than the sum of its proper divisors (3326261737).

43241402399 is a wasteful number, since it uses less digits than its factorization.

43241402399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3326261736.

The product of its (nonzero) digits is 186624, while the sum is 41.

The spelling of 43241402399 in words is "forty-three billion, two hundred forty-one million, four hundred two thousand, three hundred ninety-nine".