3473742845 has 4 divisors (see below), whose sum is σ = 4168491420. Its totient is φ = 2778994272.

The previous prime is 3473742799. The next prime is 3473742847. The reversal of 3473742845 is 5482473743.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1996570489 + 1477172356 = 44683^2 + 38434^2 .

It is a cyclic number.

It is not a de Polignac number, because 3473742845 - 2²² = 3469548541 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3473742845.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3473742847) 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, 347374280 + ... + 347374289.

It is an arithmetic number, because the mean of its divisors is an integer number (1042122855).

Almost surely, 2^3473742845 is an apocalyptic number.

It is an amenable number.

3473742845 is a deficient number, since it is larger than the sum of its proper divisors (694748575).

3473742845 is an equidigital number, since it uses as much as digits as its factorization.

3473742845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694748574.

The product of its digits is 2257920, while the sum is 47.

The square root of 3473742845 is about 58938.4665986485. The cubic root of 3473742845 is about 1514.4881808292.

The spelling of 3473742845 in words is "three billion, four hundred seventy-three million, seven hundred forty-two thousand, eight hundred forty-five".