19461348869 has 8 divisors (see below), whose sum is σ = 20341411200. Its totient is φ = 18584112976.

The previous prime is 19461348853. The next prime is 19461348871. The reversal of 19461348869 is 96884316491.

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

It is not a de Polignac number, because 19461348869 - 2⁴ = 19461348853 is a prime.

It is a super-2 number, since 2×19461348869² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19461348839) 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, 692522 + ... + 720075.

It is an arithmetic number, because the mean of its divisors is an integer number (2542676400).

Almost surely, 2^19461348869 is an apocalyptic number.

It is an amenable number.

19461348869 is a deficient number, since it is larger than the sum of its proper divisors (880062331).

19461348869 is a wasteful number, since it uses less digits than its factorization.

19461348869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1413219.

The product of its digits is 8957952, while the sum is 59.

The spelling of 19461348869 in words is "nineteen billion, four hundred sixty-one million, three hundred forty-eight thousand, eight hundred sixty-nine".