19540302427 has 8 divisors (see below), whose sum is σ = 19629063872. Its totient is φ = 19451664000.

The previous prime is 19540302409. The next prime is 19540302437. The reversal of 19540302427 is 72420304591.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19540302427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19540302407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 295453 + ... + 355489.

It is an arithmetic number, because the mean of its divisors is an integer number (2453632984).

Almost surely, 2^19540302427 is an apocalyptic number.

19540302427 is a deficient number, since it is larger than the sum of its proper divisors (88761445).

19540302427 is a wasteful number, since it uses less digits than its factorization.

19540302427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61509.

The product of its (nonzero) digits is 60480, while the sum is 37.

The spelling of 19540302427 in words is "nineteen billion, five hundred forty million, three hundred two thousand, four hundred twenty-seven".