19474486948465 has 8 divisors (see below), whose sum is σ = 23369459474880. Its totient is φ = 15579539467632.

The previous prime is 19474486948457. The next prime is 19474486948507. The reversal of 19474486948465 is 56484968447491.

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 19474486948465 - 2³ = 19474486948457 is a prime.

It is a super-3 number, since 3×19474486948465³ (a number of 41 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4506019 + ... + 7697608.

It is an arithmetic number, because the mean of its divisors is an integer number (2921182434360).

Almost surely, 2^{19474486948465} is an apocalyptic number.

It is an amenable number.

19474486948465 is a deficient number, since it is larger than the sum of its proper divisors (3894972526415).

19474486948465 is a wasteful number, since it uses less digits than its factorization.

19474486948465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12522791.

The product of its digits is 6688604160, while the sum is 79.

The spelling of 19474486948465 in words is "nineteen trillion, four hundred seventy-four billion, four hundred eighty-six million, nine hundred forty-eight thousand, four hundred sixty-five".