43525774642 has 8 divisors (see below), whose sum is σ = 74615613696. Its totient is φ = 18653903412.

The previous prime is 43525774639. The next prime is 43525774651. The reversal of 43525774642 is 24647752534.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×43525774642³ (a number of 33 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1554491938 + ... + 1554491965.

It is an arithmetic number, because the mean of its divisors is an integer number (9326951712).

Almost surely, 2^43525774642 is an apocalyptic number.

43525774642 is a deficient number, since it is larger than the sum of its proper divisors (31089839054).

43525774642 is a wasteful number, since it uses less digits than its factorization.

43525774642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3108983912.

The product of its digits is 5644800, while the sum is 49.

The spelling of 43525774642 in words is "forty-three billion, five hundred twenty-five million, seven hundred seventy-four thousand, six hundred forty-two".