3969507736980 has 72 divisors (see below), whose sum is σ = 12041310258432. Its totient is φ = 1058494067136.

The previous prime is 3969507736949. The next prime is 3969507737003. The reversal of 3969507736980 is 896377059693.

3969507736980 is a `hidden beast` number, since 3 + 9 + 6 + 9 + 507 + 7 + 36 + 9 + 80 = 666.

3969507736980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 3969507736899 and 3969507736908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4338837 + ... + 5173443.

It is an arithmetic number, because the mean of its divisors is an integer number (167240420256).

Almost surely, 2^{3969507736980} is an apocalyptic number.

3969507736980 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3969507736980 is an abundant number, since it is smaller than the sum of its proper divisors (8071802521452).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3969507736980 is a wasteful number, since it uses less digits than its factorization.

3969507736980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861045 (or 861040 counting only the distinct ones).

The product of its (nonzero) digits is 462944160, while the sum is 72.

The spelling of 3969507736980 in words is "three trillion, nine hundred sixty-nine billion, five hundred seven million, seven hundred thirty-six thousand, nine hundred eighty".