3456784915 has 4 divisors (see below), whose sum is σ = 4148141904. Its totient is φ = 2765427928.

The previous prime is 3456784897. The next prime is 3456784943. The reversal of 3456784915 is 5194876543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5194876543 = 2663 ⋅1950761.

It is a cyclic number.

It is not a de Polignac number, because 3456784915 - 2⁵ = 3456784883 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 345678487 + ... + 345678496.

It is an arithmetic number, because the mean of its divisors is an integer number (1037035476).

Almost surely, 2^3456784915 is an apocalyptic number.

3456784915 is a deficient number, since it is larger than the sum of its proper divisors (691356989).

3456784915 is an equidigital number, since it uses as much as digits as its factorization.

3456784915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691356988.

The product of its digits is 3628800, while the sum is 52.

The square root of 3456784915 is about 58794.4292854349. The cubic root of 3456784915 is about 1512.0197108082.

The spelling of 3456784915 in words is "three billion, four hundred fifty-six million, seven hundred eighty-four thousand, nine hundred fifteen".