19274545745484 has 12 divisors (see below), whose sum is σ = 44973940072824. Its totient is φ = 6424848581824.

The previous prime is 19274545745473. The next prime is 19274545745551. The reversal of 19274545745484 is 48454754547291.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×19274545745484² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 803106072717 + ... + 803106072740.

It is an arithmetic number, because the mean of its divisors is an integer number (3747828339402).

Almost surely, 2^{19274545745484} is an apocalyptic number.

It is an amenable number.

19274545745484 is an abundant number, since it is smaller than the sum of its proper divisors (25699394327340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19274545745484 is a wasteful number, since it uses less digits than its factorization.

19274545745484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1606212145464 (or 1606212145462 counting only the distinct ones).

The product of its digits is 903168000, while the sum is 69.

The spelling of 19274545745484 in words is "nineteen trillion, two hundred seventy-four billion, five hundred forty-five million, seven hundred forty-five thousand, four hundred eighty-four".