3854748782553 has 4 divisors (see below), whose sum is σ = 5139665043408. Its totient is φ = 2569832521700.

The previous prime is 3854748782537. The next prime is 3854748782557. The reversal of 3854748782553 is 3552878474583.

3854748782553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3854748782553 - 2⁴ = 3854748782537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3854748782557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 642458130423 + ... + 642458130428.

It is an arithmetic number, because the mean of its divisors is an integer number (1284916260852).

Almost surely, 2^{3854748782553} is an apocalyptic number.

It is an amenable number.

3854748782553 is a deficient number, since it is larger than the sum of its proper divisors (1284916260855).

3854748782553 is a wasteful number, since it uses less digits than its factorization.

3854748782553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1284916260854.

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

The spelling of 3854748782553 in words is "three trillion, eight hundred fifty-four billion, seven hundred forty-eight million, seven hundred eighty-two thousand, five hundred fifty-three".