3420443461 has 4 divisors (see below), whose sum is σ = 3458875500. Its totient is φ = 3382011424.

The previous prime is 3420443449. The next prime is 3420443489. The reversal of 3420443461 is 1643440243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1643440243 = 2647 ⋅620869.

It can be written as a sum of positive squares in 2 ways, for example, as 1696616100 + 1723827361 = 41190^2 + 41519^2 .

It is a cyclic number.

It is not a de Polignac number, because 3420443461 - 2¹¹ = 3420441413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3420443431) 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, 19215886 + ... + 19216063.

It is an arithmetic number, because the mean of its divisors is an integer number (864718875).

Almost surely, 2^3420443461 is an apocalyptic number.

It is an amenable number.

3420443461 is a deficient number, since it is larger than the sum of its proper divisors (38432039).

3420443461 is an equidigital number, since it uses as much as digits as its factorization.

3420443461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38432038.

The product of its (nonzero) digits is 27648, while the sum is 31.

The square root of 3420443461 is about 58484.5574575033. The cubic root of 3420443461 is about 1506.7023721264.

The spelling of 3420443461 in words is "three billion, four hundred twenty million, four hundred forty-three thousand, four hundred sixty-one".