3929465781960 has 64 divisors (see below), whose sum is σ = 11788599271680. Its totient is φ = 1047839592960.

The previous prime is 3929465781911. The next prime is 3929465781961. The reversal of 3929465781960 is 691875649293.

It is a super-2 number, since 2×3929465781960² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3929465781961) 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 15 ways as a sum of consecutive naturals, for example, 7695564 + ... + 8190276.

It is an arithmetic number, because the mean of its divisors is an integer number (184196863620).

It is a 1-persistent number, because it is pandigital, but 2⋅3929465781960 = 7858931563920 is not.

Almost surely, 2^{3929465781960} is an apocalyptic number.

3929465781960 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3929465781960 is an abundant number, since it is smaller than the sum of its proper divisors (7859133489720).

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

3929465781960 is a wasteful number, since it uses less digits than its factorization.

3929465781960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560918 (or 560914 counting only the distinct ones).

The product of its (nonzero) digits is 176359680, while the sum is 69.

The spelling of 3929465781960 in words is "three trillion, nine hundred twenty-nine billion, four hundred sixty-five million, seven hundred eighty-one thousand, nine hundred sixty".