3835640432745 has 48 divisors (see below), whose sum is σ = 7255529191872. Its totient is φ = 1859016804480.

The previous prime is 3835640432641. The next prime is 3835640432747. The reversal of 3835640432745 is 5472340465383.

3835640432745 is a `hidden beast` number, since 3 + 8 + 3 + 564 + 0 + 4 + 3 + 2 + 74 + 5 = 666.

It is not a de Polignac number, because 3835640432745 - 2⁸ = 3835640432489 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3835640432691 and 3835640432700.

It is not an unprimeable number, because it can be changed into a prime (3835640432747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 91282 + ... + 2771211.

It is an arithmetic number, because the mean of its divisors is an integer number (151156858164).

Almost surely, 2^{3835640432745} is an apocalyptic number.

It is an amenable number.

3835640432745 is a deficient number, since it is larger than the sum of its proper divisors (3419888759127).

3835640432745 is a wasteful number, since it uses less digits than its factorization.

3835640432745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2865222 (or 2865219 counting only the distinct ones).

The product of its (nonzero) digits is 29030400, while the sum is 54.

The spelling of 3835640432745 in words is "three trillion, eight hundred thirty-five billion, six hundred forty million, four hundred thirty-two thousand, seven hundred forty-five".