3992930281485 has 12 divisors (see below), whose sum is σ = 6921079154652. Its totient is φ = 2129562816768.

The previous prime is 3992930281477. The next prime is 3992930281537. The reversal of 3992930281485 is 5841820392993.

3992930281485 is a `hidden beast` number, since 39 + 92 + 9 + 30 + 2 + 8 + 1 + 485 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2158633854441 + 1834296427044 = 1469229^2 + 1354362^2 .

It is not a de Polignac number, because 3992930281485 - 2³ = 3992930281477 is a prime.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 44365891972 + ... + 44365892061.

It is an arithmetic number, because the mean of its divisors is an integer number (576756596221).

Almost surely, 2^{3992930281485} is an apocalyptic number.

It is an amenable number.

3992930281485 is a deficient number, since it is larger than the sum of its proper divisors (2928148873167).

3992930281485 is a wasteful number, since it uses less digits than its factorization.

3992930281485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88731784044 (or 88731784041 counting only the distinct ones).

The product of its (nonzero) digits is 33592320, while the sum is 63.

The spelling of 3992930281485 in words is "three trillion, nine hundred ninety-two billion, nine hundred thirty million, two hundred eighty-one thousand, four hundred eighty-five".