1379951282688 has 640 divisors, whose sum is σ = 4482715944960. Its totient is φ = 372068843520.

The previous prime is 1379951282657. The next prime is 1379951282729. The reversal of 1379951282688 is 8862821599731.

It is a Smith number, since the sum of its digits (69) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (69).

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, 587962731 + ... + 587965077.

It is an arithmetic number, because the mean of its divisors is an integer number (7004243664).

Almost surely, 2^{1379951282688} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1379951282688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2241357972480).

1379951282688 is an abundant number, since it is smaller than the sum of its proper divisors (3102764662272).

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

1379951282688 is a wasteful number, since it uses less digits than its factorization.

1379951282688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2508 (or 2492 counting only the distinct ones).

The product of its digits is 104509440, while the sum is 69.

The spelling of 1379951282688 in words is "one trillion, three hundred seventy-nine billion, nine hundred fifty-one million, two hundred eighty-two thousand, six hundred eighty-eight".