3925071111397 has 4 divisors (see below), whose sum is σ = 3926540627776. Its totient is φ = 3923601595020.

The previous prime is 3925071111389. The next prime is 3925071111419. The reversal of 3925071111397 is 7931111705293.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3925071111397 - 2³ = 3925071111389 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3925071111397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3925071115397) 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 in 3 ways as a sum of consecutive naturals, for example, 734754183 + ... + 734759524.

It is an arithmetic number, because the mean of its divisors is an integer number (981635156944).

Almost surely, 2^{3925071111397} is an apocalyptic number.

It is an amenable number.

3925071111397 is a deficient number, since it is larger than the sum of its proper divisors (1469516379).

3925071111397 is a wasteful number, since it uses less digits than its factorization.

3925071111397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1469516378.

The product of its (nonzero) digits is 357210, while the sum is 49.

The spelling of 3925071111397 in words is "three trillion, nine hundred twenty-five billion, seventy-one million, one hundred eleven thousand, three hundred ninety-seven".