1347463531872 has 384 divisors, whose sum is σ = 4151820395520. Its totient is φ = 424702586880.

The previous prime is 1347463531861. The next prime is 1347463531879. The reversal of 1347463531872 is 2781353647431.

1347463531872 is a `hidden beast` number, since 1 + 3 + 47 + 4 + 63 + 531 + 8 + 7 + 2 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1347463531879) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 155825853 + ... + 155834499.

It is an arithmetic number, because the mean of its divisors is an integer number (10812032280).

Almost surely, 2^{1347463531872} is an apocalyptic number.

1347463531872 is a gapful number since it is divisible by the number (12) 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 1347463531872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2075910197760).

1347463531872 is an abundant number, since it is smaller than the sum of its proper divisors (2804356863648).

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

1347463531872 is a wasteful number, since it uses less digits than its factorization.

1347463531872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8843 (or 8829 counting only the distinct ones).

The product of its digits is 10160640, while the sum is 54.

The spelling of 1347463531872 in words is "one trillion, three hundred forty-seven billion, four hundred sixty-three million, five hundred thirty-one thousand, eight hundred seventy-two".