1298072935936 has 80 divisors (see below), whose sum is σ = 2966384424960. Its totient is φ = 555893176320.

The previous prime is 1298072935867. The next prime is 1298072935949. The reversal of 1298072935936 is 6395392708921.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4590001 + ... + 4864591.

It is an arithmetic number, because the mean of its divisors is an integer number (37079805312).

Almost surely, 2^{1298072935936} is an apocalyptic number.

1298072935936 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 1298072935936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1483192212480).

1298072935936 is an abundant number, since it is smaller than the sum of its proper divisors (1668311489024).

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

1298072935936 is an equidigital number, since it uses as much as digits as its factorization.

1298072935936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275935 (or 275919 counting only the distinct ones).

The product of its (nonzero) digits is 44089920, while the sum is 64.

The spelling of 1298072935936 in words is "one trillion, two hundred ninety-eight billion, seventy-two million, nine hundred thirty-five thousand, nine hundred thirty-six".