1020472189493 has 8 divisors (see below), whose sum is σ = 1021127284320. Its totient is φ = 1019817264240.

The previous prime is 1020472189487. The next prime is 1020472189549. The reversal of 1020472189493 is 3949812740201.

It is a happy number.

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 1020472189493 - 2³² = 1016177222197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020472189993) 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, 13321046 + ... + 13397432.

It is an arithmetic number, because the mean of its divisors is an integer number (127640910540).

Almost surely, 2^{1020472189493} is an apocalyptic number.

It is an amenable number.

1020472189493 is a deficient number, since it is larger than the sum of its proper divisors (655094827).

1020472189493 is an equidigital number, since it uses as much as digits as its factorization.

1020472189493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84787.

The product of its (nonzero) digits is 870912, while the sum is 50.

The spelling of 1020472189493 in words is "one trillion, twenty billion, four hundred seventy-two million, one hundred eighty-nine thousand, four hundred ninety-three".