1283899293696 has 128 divisors (see below), whose sum is σ = 3425645520000. Its totient is φ = 427720704000.

The previous prime is 1283899293641. The next prime is 1283899293697. The reversal of 1283899293696 is 6963929983821.

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (1283899293697) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 270235321 + ... + 270240071.

It is an arithmetic number, because the mean of its divisors is an integer number (26762855625).

Almost surely, 2^{1283899293696} is an apocalyptic number.

1283899293696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1283899293696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1712822760000).

1283899293696 is an abundant number, since it is smaller than the sum of its proper divisors (2141746226304).

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

1283899293696 is an frugal number, since it uses more digits than its factorization.

1283899293696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7533 (or 7505 counting only the distinct ones).

The product of its digits is 544195584, while the sum is 75.

The spelling of 1283899293696 in words is "one trillion, two hundred eighty-three billion, eight hundred ninety-nine million, two hundred ninety-three thousand, six hundred ninety-six".