3984930662505 has 32 divisors (see below), whose sum is σ = 6910076780544. Its totient is φ = 1949316385536.

The previous prime is 3984930662501. The next prime is 3984930662563. The reversal of 3984930662505 is 5052660394893.

It is a happy number.

It is not a de Polignac number, because 3984930662505 - 2² = 3984930662501 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3984930662501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65050729 + ... + 65111958.

It is an arithmetic number, because the mean of its divisors is an integer number (215939899392).

Almost surely, 2^{3984930662505} is an apocalyptic number.

It is an amenable number.

3984930662505 is a deficient number, since it is larger than the sum of its proper divisors (2925146118039).

3984930662505 is a wasteful number, since it uses less digits than its factorization.

3984930662505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130162865.

The product of its (nonzero) digits is 41990400, while the sum is 60.

The spelling of 3984930662505 in words is "three trillion, nine hundred eighty-four billion, nine hundred thirty million, six hundred sixty-two thousand, five hundred five".