1298847353874 has 256 divisors, whose sum is σ = 3345745305600. Its totient is φ = 327221047296.

The previous prime is 1298847353851. The next prime is 1298847353879. The reversal of 1298847353874 is 4783537488921.

It is a junction number, because it is equal to n+sod(n) for n = 1298847353799 and 1298847353808.

It is not an unprimeable number, because it can be changed into a prime (1298847353879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 487737067 + ... + 487739729.

It is an arithmetic number, because the mean of its divisors is an integer number (13069317600).

Almost surely, 2^{1298847353874} is an apocalyptic number.

1298847353874 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1298847353874, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1672872652800).

1298847353874 is an abundant number, since it is smaller than the sum of its proper divisors (2046897951726).

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

1298847353874 is a wasteful number, since it uses less digits than its factorization.

1298847353874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3097.

The product of its digits is 325140480, while the sum is 69.

The spelling of 1298847353874 in words is "one trillion, two hundred ninety-eight billion, eight hundred forty-seven million, three hundred fifty-three thousand, eight hundred seventy-four".