19483703457 has 8 divisors (see below), whose sum is σ = 26216604480. Its totient is φ = 12869969040.

The previous prime is 19483703419. The next prime is 19483703467. The reversal of 19483703457 is 75430738491.

It is a happy number.

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

It is not a de Polignac number, because 19483703457 - 2³¹ = 17336219809 is a prime.

It is a super-2 number, since 2×19483703457² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (19483703467) 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, 29791269 + ... + 29791922.

It is an arithmetic number, because the mean of its divisors is an integer number (3277075560).

Almost surely, 2^19483703457 is an apocalyptic number.

It is an amenable number.

19483703457 is a deficient number, since it is larger than the sum of its proper divisors (6732901023).

19483703457 is a wasteful number, since it uses less digits than its factorization.

19483703457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59583303.

The product of its (nonzero) digits is 2540160, while the sum is 51.

The spelling of 19483703457 in words is "nineteen billion, four hundred eighty-three million, seven hundred three thousand, four hundred fifty-seven".