1827429972481 has 8 divisors (see below), whose sum is σ = 1896255664128. Its totient is φ = 1759221552000.

The previous prime is 1827429972457. The next prime is 1827429972523. The reversal of 1827429972481 is 1842799247281.

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

It is a cyclic number.

It is not a de Polignac number, because 1827429972481 - 2⁷ = 1827429972353 is a prime.

It is a super-2 number, since 2×1827429972481² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1827429972451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154311760 + ... + 154323601.

It is an arithmetic number, because the mean of its divisors is an integer number (237031958016).

Almost surely, 2^{1827429972481} is an apocalyptic number.

It is an amenable number.

1827429972481 is a deficient number, since it is larger than the sum of its proper divisors (68825691647).

1827429972481 is a wasteful number, since it uses less digits than its factorization.

1827429972481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308635583.

The product of its digits is 32514048, while the sum is 64.

The spelling of 1827429972481 in words is "one trillion, eight hundred twenty-seven billion, four hundred twenty-nine million, nine hundred seventy-two thousand, four hundred eighty-one".