19476848465 has 8 divisors (see below), whose sum is σ = 23373927528. Its totient is φ = 15580339200.

The previous prime is 19476848437. The next prime is 19476848467. The reversal of 19476848465 is 56484867491.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4905461521 + 14571386944 = 70039^2 + 120712^2 .

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

It is not a de Polignac number, because 19476848465 - 2¹⁶ = 19476782929 is a prime.

It is a super-2 number, since 2×19476848465² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 19476848398 and 19476848407.

It is not an unprimeable number, because it can be changed into a prime (19476848467) 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, 63242 + ... + 207251.

It is an arithmetic number, because the mean of its divisors is an integer number (2921740941).

Almost surely, 2^19476848465 is an apocalyptic number.

It is an amenable number.

19476848465 is a deficient number, since it is larger than the sum of its proper divisors (3897079063).

19476848465 is a wasteful number, since it uses less digits than its factorization.

19476848465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284899.

The product of its digits is 46448640, while the sum is 62.

The spelling of 19476848465 in words is "nineteen billion, four hundred seventy-six million, eight hundred forty-eight thousand, four hundred sixty-five".