3405861073 has 4 divisors (see below), whose sum is σ = 3606205860. Its totient is φ = 3205516288.

The previous prime is 3405861061. The next prime is 3405861083. The reversal of 3405861073 is 3701685043.

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 3118999104 + 286861969 = 55848^2 + 16937^2 .

It is a cyclic number.

It is not a de Polignac number, because 3405861073 - 2¹⁷ = 3405730001 is a prime.

It is a super-2 number, since 2×3405861073² = 23199779297153422658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3405861023) 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, 100172368 + ... + 100172401.

It is an arithmetic number, because the mean of its divisors is an integer number (901551465).

Almost surely, 2^3405861073 is an apocalyptic number.

It is an amenable number.

3405861073 is a deficient number, since it is larger than the sum of its proper divisors (200344787).

3405861073 is a wasteful number, since it uses less digits than its factorization.

3405861073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200344786.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 3405861073 is about 58359.7555940736. The cubic root of 3405861073 is about 1504.5581456568.

The spelling of 3405861073 in words is "three billion, four hundred five million, eight hundred sixty-one thousand, seventy-three".