3920408473497 has 8 divisors (see below), whose sum is σ = 5281100074656. Its totient is φ = 2586661260672.

The previous prime is 3920408473481. The next prime is 3920408473517. The reversal of 3920408473497 is 7943748040293.

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

It is not a de Polignac number, because 3920408473497 - 2⁴ = 3920408473481 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3920408473497.

It is not an unprimeable number, because it can be changed into a prime (3920408473427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6736096743 + ... + 6736097324.

It is an arithmetic number, because the mean of its divisors is an integer number (660137509332).

Almost surely, 2^{3920408473497} is an apocalyptic number.

It is an amenable number.

3920408473497 is a deficient number, since it is larger than the sum of its proper divisors (1360691601159).

3920408473497 is a wasteful number, since it uses less digits than its factorization.

3920408473497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13472194167.

The product of its (nonzero) digits is 36578304, while the sum is 60.

The spelling of 3920408473497 in words is "three trillion, nine hundred twenty billion, four hundred eight million, four hundred seventy-three thousand, four hundred ninety-seven".