3420815071 has 4 divisors (see below), whose sum is σ = 3421864144. Its totient is φ = 3419766000.

The previous prime is 3420815023. The next prime is 3420815087. The reversal of 3420815071 is 1705180243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1705180243 = 13 ⋅131167711.

It is a cyclic number.

It is not a de Polignac number, because 3420815071 - 2⁹ = 3420814559 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 (3420815171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 519630 + ... + 526171.

It is an arithmetic number, because the mean of its divisors is an integer number (855466036).

Almost surely, 2^3420815071 is an apocalyptic number.

3420815071 is a deficient number, since it is larger than the sum of its proper divisors (1049073).

3420815071 is a wasteful number, since it uses less digits than its factorization.

3420815071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1049072.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 3420815071 is about 58487.7343637108. The cubic root of 3420815071 is about 1506.7569347778.

The spelling of 3420815071 in words is "three billion, four hundred twenty million, eight hundred fifteen thousand, seventy-one".