19967048413449 has 8 divisors (see below), whose sum is σ = 26736991867872. Its totient is φ = 13254235284000.

The previous prime is 19967048413447. The next prime is 19967048413453. The reversal of 19967048413449 is 94431484076991.

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

It is not a de Polignac number, because 19967048413449 - 2¹ = 19967048413447 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19967048413447) 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, 14282580427 + ... + 14282581824.

It is an arithmetic number, because the mean of its divisors is an integer number (3342123983484).

Almost surely, 2^{19967048413449} is an apocalyptic number.

It is an amenable number.

19967048413449 is a deficient number, since it is larger than the sum of its proper divisors (6769943454423).

19967048413449 is a wasteful number, since it uses less digits than its factorization.

19967048413449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28565162487.

The product of its (nonzero) digits is 188116992, while the sum is 69.

The spelling of 19967048413449 in words is "nineteen trillion, nine hundred sixty-seven billion, forty-eight million, four hundred thirteen thousand, four hundred forty-nine".