3420612145 has 4 divisors (see below), whose sum is σ = 4104734580. Its totient is φ = 2736489712.

The previous prime is 3420612131. The next prime is 3420612179. The reversal of 3420612145 is 5412160243.

3420612145 is digitally balanced in base 2, 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 can be written as a sum of positive squares in 2 ways, for example, as 1774768384 + 1645843761 = 42128^2 + 40569^2 .

It is a cyclic number.

It is not a de Polignac number, because 3420612145 - 2²⁹ = 2883741233 is a prime.

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, 342061210 + ... + 342061219.

It is an arithmetic number, because the mean of its divisors is an integer number (1026183645).

Almost surely, 2^3420612145 is an apocalyptic number.

It is an amenable number.

3420612145 is a deficient number, since it is larger than the sum of its proper divisors (684122435).

3420612145 is an equidigital number, since it uses as much as digits as its factorization.

3420612145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684122434.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 3420612145 is about 58485.9995639982. Note that the first 3 decimals coincide. The cubic root of 3420612145 is about 1506.7271401043.

Adding to 3420612145 its reverse (5412160243), we get a palindrome (8832772388).

The spelling of 3420612145 in words is "three billion, four hundred twenty million, six hundred twelve thousand, one hundred forty-five".