3996257575169 has 4 divisors (see below), whose sum is σ = 3996420373440. Its totient is φ = 3996094776900.

The previous prime is 3996257575103. The next prime is 3996257575183. The reversal of 3996257575169 is 9615757526993.

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 a de Polignac number, because none of the positive numbers 2^k-3996257575169 is a prime.

It is a super-2 number, since 2×3996257575169² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3996257575096 and 3996257575105.

It is not an unprimeable number, because it can be changed into a prime (3996257575199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81362309 + ... + 81411410.

It is an arithmetic number, because the mean of its divisors is an integer number (999105093360).

Almost surely, 2^{3996257575169} is an apocalyptic number.

It is an amenable number.

3996257575169 is a deficient number, since it is larger than the sum of its proper divisors (162798271).

3996257575169 is a wasteful number, since it uses less digits than its factorization.

3996257575169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162798270.

The product of its digits is 964467000, while the sum is 74.

The spelling of 3996257575169 in words is "three trillion, nine hundred ninety-six billion, two hundred fifty-seven million, five hundred seventy-five thousand, one hundred sixty-nine".