43612063493 has 4 divisors (see below), whose sum is σ = 43613128908. Its totient is φ = 43610998080.

The previous prime is 43612063447. The next prime is 43612063499. The reversal of 43612063493 is 39436021634.

43612063493 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 35151375169 + 8460688324 = 187487^2 + 91982^2 .

It is a cyclic number.

It is not a de Polignac number, because 43612063493 - 2¹⁰ = 43612062469 is a prime.

It is a super-2 number, since 2×43612063493² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 43612063493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43612063499) 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, 468746 + ... + 554027.

It is an arithmetic number, because the mean of its divisors is an integer number (10903282227).

Almost surely, 2^43612063493 is an apocalyptic number.

It is an amenable number.

43612063493 is a deficient number, since it is larger than the sum of its proper divisors (1065415).

43612063493 is a wasteful number, since it uses less digits than its factorization.

43612063493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065414.

The product of its (nonzero) digits is 279936, while the sum is 41.

The spelling of 43612063493 in words is "forty-three billion, six hundred twelve million, sixty-three thousand, four hundred ninety-three".