3984051977242 has 8 divisors (see below), whose sum is σ = 6137593586676. Its totient is φ = 1938187448352.

The previous prime is 3984051977231. The next prime is 3984051977251. The reversal of 3984051977242 is 2427791504893.

It can be written as a sum of positive squares in 2 ways, for example, as 3584512944961 + 399539032281 = 1893281^2 + 632091^2 .

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

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, 26919270043 + ... + 26919270190.

Almost surely, 2^{3984051977242} is an apocalyptic number.

3984051977242 is a deficient number, since it is larger than the sum of its proper divisors (2153541609434).

3984051977242 is a wasteful number, since it uses less digits than its factorization.

3984051977242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53838540272.

The product of its (nonzero) digits is 30481920, while the sum is 61.

The spelling of 3984051977242 in words is "three trillion, nine hundred eighty-four billion, fifty-one million, nine hundred seventy-seven thousand, two hundred forty-two".