13970785448447 has 8 divisors (see below), whose sum is σ = 14424566178432. Its totient is φ = 13517199108000.

The previous prime is 13970785448441. The next prime is 13970785448483. The reversal of 13970785448447 is 74484458707931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13970785448447 - 2²⁴ = 13970768671231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13970785448441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48451304 + ... + 48738797.

It is an arithmetic number, because the mean of its divisors is an integer number (1803070772304).

Almost surely, 2^{13970785448447} is an apocalyptic number.

13970785448447 is a deficient number, since it is larger than the sum of its proper divisors (453780729985).

13970785448447 is an equidigital number, since it uses as much as digits as its factorization.

13970785448447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97194769.

The product of its (nonzero) digits is 758661120, while the sum is 71.

The spelling of 13970785448447 in words is "thirteen trillion, nine hundred seventy billion, seven hundred eighty-five million, four hundred forty-eight thousand, four hundred forty-seven".