3574378865 has 4 divisors (see below), whose sum is σ = 4289254644. Its totient is φ = 2859503088.

The previous prime is 3574378861. The next prime is 3574378867. The reversal of 3574378865 is 5688734753.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5688734753 = 13 ⋅437594981.

It can be written as a sum of positive squares in 2 ways, for example, as 1047104881 + 2527273984 = 32359^2 + 50272^2 .

It is a cyclic number.

It is not a de Polignac number, because 3574378865 - 2² = 3574378861 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3574378865.

It is not an unprimeable number, because it can be changed into a prime (3574378861) 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, 357437882 + ... + 357437891.

It is an arithmetic number, because the mean of its divisors is an integer number (1072313661).

Almost surely, 2^3574378865 is an apocalyptic number.

It is an amenable number.

3574378865 is a deficient number, since it is larger than the sum of its proper divisors (714875779).

3574378865 is an equidigital number, since it uses as much as digits as its factorization.

3574378865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714875778.

The product of its digits is 16934400, while the sum is 56.

The square root of 3574378865 is about 59786.1092980635. The cubic root of 3574378865 is about 1528.9743314420.

The spelling of 3574378865 in words is "three billion, five hundred seventy-four million, three hundred seventy-eight thousand, eight hundred sixty-five".