3966419968237 has 8 divisors (see below), whose sum is σ = 4344557369400. Its totient is φ = 3604373520384.

The previous prime is 3966419968201. The next prime is 3966419968241. The reversal of 3966419968237 is 7328699146693.

It can be written as a sum of positive squares in 4 ways, for example, as 1579330077796 + 2387089890441 = 1256714^2 + 1545021^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 3966419968237 - 2¹⁹ = 3966419443949 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3966419968237.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3966419368237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4022737812 + ... + 4022738797.

It is an arithmetic number, because the mean of its divisors is an integer number (543069671175).

Almost surely, 2^{3966419968237} is an apocalyptic number.

It is an amenable number.

3966419968237 is a deficient number, since it is larger than the sum of its proper divisors (378137401163).

3966419968237 is a wasteful number, since it uses less digits than its factorization.

3966419968237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8045476655.

The product of its digits is 634894848, while the sum is 73.

The spelling of 3966419968237 in words is "three trillion, nine hundred sixty-six billion, four hundred nineteen million, nine hundred sixty-eight thousand, two hundred thirty-seven".