3921068852607 has 4 divisors (see below), whose sum is σ = 5228091803480. Its totient is φ = 2614045901736.

The previous prime is 3921068852579. The next prime is 3921068852627. The reversal of 3921068852607 is 7062588601293.

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

It is not a de Polignac number, because 3921068852607 - 2¹⁹ = 3921068328319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3921068852627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 653511475432 + ... + 653511475437.

It is an arithmetic number, because the mean of its divisors is an integer number (1307022950870).

Almost surely, 2^{3921068852607} is an apocalyptic number.

3921068852607 is a deficient number, since it is larger than the sum of its proper divisors (1307022950873).

3921068852607 is a wasteful number, since it uses less digits than its factorization.

3921068852607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1307022950872.

The product of its (nonzero) digits is 8709120, while the sum is 57.

The spelling of 3921068852607 in words is "three trillion, nine hundred twenty-one billion, sixty-eight million, eight hundred fifty-two thousand, six hundred seven".