43025165642 has 4 divisors (see below), whose sum is σ = 64537748466. Its totient is φ = 21512582820.

The previous prime is 43025165633. The next prime is 43025165647. The reversal of 43025165642 is 24656152034.

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., 31244451121 + 11780714521 = 176761^2 + 108539^2 .

It is a junction number, because it is equal to n+sod(n) for n = 43025165596 and 43025165605.

It is not an unprimeable number, because it can be changed into a prime (43025165647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10756291409 + ... + 10756291412.

Almost surely, 2^43025165642 is an apocalyptic number.

43025165642 is a deficient number, since it is larger than the sum of its proper divisors (21512582824).

43025165642 is a wasteful number, since it uses less digits than its factorization.

43025165642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21512582823.

The product of its (nonzero) digits is 172800, while the sum is 38.

The spelling of 43025165642 in words is "forty-three billion, twenty-five million, one hundred sixty-five thousand, six hundred forty-two".