3973890935632 has 40 divisors (see below), whose sum is σ = 7734339887976. Its totient is φ = 1977936408576.

The previous prime is 3973890935467. The next prime is 3973890935701. The reversal of 3973890935632 is 2365390983793.

It can be written as a sum of positive squares in 4 ways, for example, as 97229217856 + 3876661717776 = 311816^2 + 1968924^2 .

It is a super-3 number, since 3×3973890935632³ (a number of 39 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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, 15444258 + ... + 15699454.

Almost surely, 2^{3973890935632} is an apocalyptic number.

It is an amenable number.

3973890935632 is a deficient number, since it is larger than the sum of its proper divisors (3760448952344).

3973890935632 is a wasteful number, since it uses less digits than its factorization.

3973890935632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259615 (or 259609 counting only the distinct ones).

The product of its (nonzero) digits is 198404640, while the sum is 67.

The spelling of 3973890935632 in words is "three trillion, nine hundred seventy-three billion, eight hundred ninety million, nine hundred thirty-five thousand, six hundred thirty-two".