43012264642 has 4 divisors (see below), whose sum is σ = 64518396966. Its totient is φ = 21506132320.

The previous prime is 43012264627. The next prime is 43012264663. The reversal of 43012264642 is 24646221034.

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

It can be written as a sum of positive squares in only one way, i.e., 30852571201 + 12159693441 = 175649^2 + 110271^2 .

It is a junction number, because it is equal to n+sod(n) for n = 43012264598 and 43012264607.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10753066159 + ... + 10753066162.

Almost surely, 2^43012264642 is an apocalyptic number.

43012264642 is a deficient number, since it is larger than the sum of its proper divisors (21506132324).

43012264642 is a wasteful number, since it uses less digits than its factorization.

43012264642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21506132323.

The product of its (nonzero) digits is 55296, while the sum is 34.

Adding to 43012264642 its reverse (24646221034), we get a palindrome (67658485676).

The spelling of 43012264642 in words is "forty-three billion, twelve million, two hundred sixty-four thousand, six hundred forty-two".