13970785448446 has 8 divisors (see below), whose sum is σ = 20956266864144. Its totient is φ = 6985363160400.

The previous prime is 13970785448441. The next prime is 13970785448483. The reversal of 13970785448446 is 64484458707931.

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

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 3 ways as a sum of consecutive naturals, for example, 14186410 + ... + 15139213.

It is an arithmetic number, because the mean of its divisors is an integer number (2619533358018).

Almost surely, 2^{13970785448446} is an apocalyptic number.

13970785448446 is a deficient number, since it is larger than the sum of its proper divisors (6985481415698).

13970785448446 is a wasteful number, since it uses less digits than its factorization.

13970785448446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29563826.

The product of its (nonzero) digits is 650280960, while the sum is 70.

The spelling of 13970785448446 in words is "thirteen trillion, nine hundred seventy billion, seven hundred eighty-five million, four hundred forty-eight thousand, four hundred forty-six".