3955966478497 has 8 divisors (see below), whose sum is σ = 4454812691712. Its totient is φ = 3480322414800.

The previous prime is 3955966478467. The next prime is 3955966478537. The reversal of 3955966478497 is 7948746695593.

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

It is a de Polignac number, because none of the positive numbers 2^k-3955966478497 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 3955966478497.

It is not an unprimeable number, because it can be changed into a prime (3955966478407) 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, 5800537018 + ... + 5800537699.

It is an arithmetic number, because the mean of its divisors is an integer number (556851586464).

Almost surely, 2^{3955966478497} is an apocalyptic number.

It is an amenable number.

3955966478497 is a deficient number, since it is larger than the sum of its proper divisors (498846213215).

3955966478497 is a wasteful number, since it uses less digits than its factorization.

3955966478497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11601074759.

The product of its digits is 12345177600, while the sum is 82.

The spelling of 3955966478497 in words is "three trillion, nine hundred fifty-five billion, nine hundred sixty-six million, four hundred seventy-eight thousand, four hundred ninety-seven".