1924420769385 has 16 divisors (see below), whose sum is σ = 3178398174720. Its totient is φ = 993249429120.

The previous prime is 1924420769371. The next prime is 1924420769429. The reversal of 1924420769385 is 5839670244291.

It is a happy number.

It is not a de Polignac number, because 1924420769385 - 2⁵ = 1924420769353 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2069269180 + ... + 2069270109.

It is an arithmetic number, because the mean of its divisors is an integer number (198649885920).

It is a 1-persistent number, because it is pandigital, but 2⋅1924420769385 = 3848841538770 is not.

Almost surely, 2^{1924420769385} is an apocalyptic number.

1924420769385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1924420769385 is a deficient number, since it is larger than the sum of its proper divisors (1253977405335).

1924420769385 is a wasteful number, since it uses less digits than its factorization.

1924420769385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4138539328.

The product of its (nonzero) digits is 26127360, while the sum is 60.

The spelling of 1924420769385 in words is "one trillion, nine hundred twenty-four billion, four hundred twenty million, seven hundred sixty-nine thousand, three hundred eighty-five".