3969091766790 has 128 divisors (see below), whose sum is σ = 10765309017600. Its totient is φ = 1040323616640.

The previous prime is 3969091766737. The next prime is 3969091766837. The reversal of 3969091766790 is 976671909693.

3969091766790 is a `hidden beast` number, since 396 + 9 + 0 + 9 + 176 + 67 + 9 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 130148784 + ... + 130179276.

It is an arithmetic number, because the mean of its divisors is an integer number (84103976700).

Almost surely, 2^{3969091766790} is an apocalyptic number.

3969091766790 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3969091766790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5382654508800).

3969091766790 is an abundant number, since it is smaller than the sum of its proper divisors (6796217250810).

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

3969091766790 is a wasteful number, since it uses less digits than its factorization.

3969091766790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38739 (or 38733 counting only the distinct ones).

The product of its (nonzero) digits is 208324872, while the sum is 72.

The spelling of 3969091766790 in words is "three trillion, nine hundred sixty-nine billion, ninety-one million, seven hundred sixty-six thousand, seven hundred ninety".