3478643523 has 32 divisors (see below), whose sum is σ = 5309967680. Its totient is φ = 2249752320.

The previous prime is 3478643449. The next prime is 3478643537. The reversal of 3478643523 is 3253468743.

3478643523 is a `hidden beast` number, since 3 + 4 + 7 + 86 + 43 + 523 = 666.

It is not a de Polignac number, because 3478643523 - 2⁹ = 3478643011 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3478643543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 105765 + ... + 134697.

It is an arithmetic number, because the mean of its divisors is an integer number (165936490).

Almost surely, 2^3478643523 is an apocalyptic number.

3478643523 is a deficient number, since it is larger than the sum of its proper divisors (1831324157).

3478643523 is a wasteful number, since it uses less digits than its factorization.

3478643523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29076 (or 29070 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 45.

The square root of 3478643523 is about 58980.0264750704. The cubic root of 3478643523 is about 1515.2000480860.

The spelling of 3478643523 in words is "three billion, four hundred seventy-eight million, six hundred forty-three thousand, five hundred twenty-three".