3478091069 has 4 divisors (see below), whose sum is σ = 3530002944. Its totient is φ = 3426179196.

The previous prime is 3478091063. The next prime is 3478091087. The reversal of 3478091069 is 9601908743.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9601908743 = 7 ⋅1371701249.

It is a cyclic number.

It is not a de Polignac number, because 3478091069 - 2⁸ = 3478090813 is a prime.

It is a super-2 number, since 2×3478091069² = 24194234968515125522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3478091063) 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, 25955837 + ... + 25955970.

It is an arithmetic number, because the mean of its divisors is an integer number (882500736).

Almost surely, 2^3478091069 is an apocalyptic number.

It is an amenable number.

3478091069 is a deficient number, since it is larger than the sum of its proper divisors (51911875).

3478091069 is an equidigital number, since it uses as much as digits as its factorization.

3478091069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51911874.

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 3478091069 is about 58975.3428900587. The cubic root of 3478091069 is about 1515.1198326573.

The spelling of 3478091069 in words is "three billion, four hundred seventy-eight million, ninety-one thousand, sixty-nine".