3957012673669 has 4 divisors (see below), whose sum is σ = 4316741098560. Its totient is φ = 3597284248780.

The previous prime is 3957012673661. The next prime is 3957012673709. The reversal of 3957012673669 is 9663762107593.

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 3957012673669 - 2³ = 3957012673661 is a prime.

It is a super-2 number, since 2×3957012673669² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3957012673669.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3957012673661) 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, 179864212429 + ... + 179864212450.

It is an arithmetic number, because the mean of its divisors is an integer number (1079185274640).

Almost surely, 2^{3957012673669} is an apocalyptic number.

It is an amenable number.

3957012673669 is a deficient number, since it is larger than the sum of its proper divisors (359728424891).

3957012673669 is a wasteful number, since it uses less digits than its factorization.

3957012673669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359728424890.

The product of its (nonzero) digits is 77157360, while the sum is 64.

The spelling of 3957012673669 in words is "three trillion, nine hundred fifty-seven billion, twelve million, six hundred seventy-three thousand, six hundred sixty-nine".