1283297011929 has 45 divisors (see below), whose sum is σ = 1924138340683. Its totient is φ = 824190549504.

The previous prime is 1283297011907. The next prime is 1283297011937. The reversal of 1283297011929 is 9291107923821.

The square root of 1283297011929 is 1132827.

It is a perfect power (a square), and thus also a powerful number.

1283297011929 is a `hidden beast` number, since 128 + 329 + 7 + 0 + 1 + 192 + 9 = 666.

It can be written as a sum of positive squares in 7 ways, for example, as 438809530329 + 844487481600 = 662427^2 + 918960^2 .

It is not a de Polignac number, because 1283297011929 - 2⁹ = 1283297011417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1283297011229) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 2858122297 + ... + 2858122745.

Almost surely, 2^{1283297011929} is an apocalyptic number.

1283297011929 is the 1132827-th square number.

1283297011929 is the 566414-th centered octagonal number.

It is an amenable number.

1283297011929 is a deficient number, since it is larger than the sum of its proper divisors (640841328754).

1283297011929 is an frugal number, since it uses more digits than its factorization.

1283297011929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020 (or 481 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 54.

The spelling of 1283297011929 in words is "one trillion, two hundred eighty-three billion, two hundred ninety-seven million, eleven thousand, nine hundred twenty-nine".