1234340247447 has 40 divisors (see below), whose sum is σ = 1917901404672. Its totient is φ = 790269339600.

The previous prime is 1234340247421. The next prime is 1234340247487. The reversal of 1234340247447 is 7447420434321.

1234340247447 is a `hidden beast` number, since 1 + 23 + 4 + 340 + 247 + 4 + 47 = 666.

It is not a de Polignac number, because 1234340247447 - 2¹⁴ = 1234340231063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1234340247487) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1547293 + ... + 2205174.

Almost surely, 2^{1234340247447} is an apocalyptic number.

1234340247447 is a deficient number, since it is larger than the sum of its proper divisors (683561157225).

1234340247447 is a wasteful number, since it uses less digits than its factorization.

1234340247447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3752641 (or 3752632 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 45.

The spelling of 1234340247447 in words is "one trillion, two hundred thirty-four billion, three hundred forty million, two hundred forty-seven thousand, four hundred forty-seven".