3842578452065 has 32 divisors (see below), whose sum is σ = 4841646566400. Its totient is φ = 2923967692800.

The previous prime is 3842578452017. The next prime is 3842578452071. The reversal of 3842578452065 is 5602548752483.

It is not a de Polignac number, because 3842578452065 - 2²⁸ = 3842310016609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3842578451995 and 3842578452013.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4250825 + ... + 5074905.

It is an arithmetic number, because the mean of its divisors is an integer number (151301455200).

Almost surely, 2^{3842578452065} is an apocalyptic number.

It is an amenable number.

3842578452065 is a deficient number, since it is larger than the sum of its proper divisors (999068114335).

3842578452065 is a wasteful number, since it uses less digits than its factorization.

3842578452065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824633.

The product of its (nonzero) digits is 64512000, while the sum is 59.

The spelling of 3842578452065 in words is "three trillion, eight hundred forty-two billion, five hundred seventy-eight million, four hundred fifty-two thousand, sixty-five".