1247893898468 has 96 divisors (see below), whose sum is σ = 2593584983808. Its totient is φ = 514283212800.

The previous prime is 1247893898467. The next prime is 1247893898507. The reversal of 1247893898468 is 8648983987421.

It is not an unprimeable number, because it can be changed into a prime (1247893898467) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23453471 + ... + 23506617.

It is an arithmetic number, because the mean of its divisors is an integer number (27016510248).

Almost surely, 2^{1247893898468} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1247893898468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1296792491904).

1247893898468 is an abundant number, since it is smaller than the sum of its proper divisors (1345691085340).

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

1247893898468 is a wasteful number, since it uses less digits than its factorization.

1247893898468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53493 (or 53491 counting only the distinct ones).

The product of its digits is 1337720832, while the sum is 77.

The spelling of 1247893898468 in words is "one trillion, two hundred forty-seven billion, eight hundred ninety-three million, eight hundred ninety-eight thousand, four hundred sixty-eight".