3835509642 has 48 divisors (see below), whose sum is σ = 8503354080. Its totient is φ = 1249066656.

The previous prime is 3835509617. The next prime is 3835509649. The reversal of 3835509642 is 2469055383.

3835509642 is a `hidden beast` number, since 3 + 8 + 3 + 550 + 96 + 4 + 2 = 666.

It is a super-2 number, since 2×3835509642² = 29422268427749936328, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3835509649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 162028 + ... + 184184.

It is an arithmetic number, because the mean of its divisors is an integer number (177153210).

Almost surely, 2^3835509642 is an apocalyptic number.

3835509642 is an abundant number, since it is smaller than the sum of its proper divisors (4667844438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3835509642 is a wasteful number, since it uses less digits than its factorization.

3835509642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22387 (or 22384 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The square root of 3835509642 is about 61931.4915208733. The cubic root of 3835509642 is about 1565.3364309873.

The spelling of 3835509642 in words is "three billion, eight hundred thirty-five million, five hundred nine thousand, six hundred forty-two".