1294709863464 has 96 divisors (see below), whose sum is σ = 3603076724520. Its totient is φ = 419695976448.

The previous prime is 1294709863451. The next prime is 1294709863519. The reversal of 1294709863464 is 4643689074921.

It is a happy number.

1294709863464 is a `hidden beast` number, since 1 + 2 + 94 + 7 + 0 + 9 + 86 + 3 + 464 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1173993920100 + 120715943364 = 1083510^2 + 347442^2 .

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 5252812 + ... + 5493764.

Almost surely, 2^{1294709863464} 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 1294709863464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1801538362260).

1294709863464 is an abundant number, since it is smaller than the sum of its proper divisors (2308366861056).

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

1294709863464 is a wasteful number, since it uses less digits than its factorization.

1294709863464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243019 (or 243012 counting only the distinct ones).

The product of its (nonzero) digits is 62705664, while the sum is 63.

The spelling of 1294709863464 in words is "one trillion, two hundred ninety-four billion, seven hundred nine million, eight hundred sixty-three thousand, four hundred sixty-four".