3640348471 has 4 divisors (see below), whose sum is σ = 3641394744. Its totient is φ = 3639302200.

The previous prime is 3640348469. The next prime is 3640348531. The reversal of 3640348471 is 1748430463.

3640348471 is digitally balanced in base 3, 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.

It is a cyclic number.

It is not a de Polignac number, because 3640348471 - 2¹ = 3640348469 is a prime.

It is a super-3 number, since 3×3640348471³ (a number of 30 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3640348441) 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, 517900 + ... + 524881.

It is an arithmetic number, because the mean of its divisors is an integer number (910348686).

Almost surely, 2^3640348471 is an apocalyptic number.

3640348471 is a deficient number, since it is larger than the sum of its proper divisors (1046273).

3640348471 is a wasteful number, since it uses less digits than its factorization.

3640348471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1046272.

The product of its (nonzero) digits is 193536, while the sum is 40.

The square root of 3640348471 is about 60335.3003721702. The cubic root of 3640348471 is about 1538.3234229079.

The spelling of 3640348471 in words is "three billion, six hundred forty million, three hundred forty-eight thousand, four hundred seventy-one".