1284926902099 has 4 divisors (see below), whose sum is σ = 1316266582680. Its totient is φ = 1253587221520.

The previous prime is 1284926902087. The next prime is 1284926902109. The reversal of 1284926902099 is 9902096294821.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1284926902099 - 2²³ = 1284918513491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1284926900099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15669840229 + ... + 15669840310.

It is an arithmetic number, because the mean of its divisors is an integer number (329066645670).

Almost surely, 2^{1284926902099} is an apocalyptic number.

1284926902099 is a deficient number, since it is larger than the sum of its proper divisors (31339680581).

1284926902099 is an equidigital number, since it uses as much as digits as its factorization.

1284926902099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31339680580.

The product of its (nonzero) digits is 10077696, while the sum is 61.

The spelling of 1284926902099 in words is "one trillion, two hundred eighty-four billion, nine hundred twenty-six million, nine hundred two thousand, ninety-nine".