3206495813 has 8 divisors (see below), whose sum is σ = 3355294968. Its totient is φ = 3060967104.

The previous prime is 3206495791. The next prime is 3206495839. The reversal of 3206495813 is 3185946023.

It can be written as a sum of positive squares in 4 ways, for example, as 2530391809 + 676104004 = 50303^2 + 26002^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3206495813 - 2¹⁰ = 3206494789 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 (3206495843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 815606 + ... + 819527.

It is an arithmetic number, because the mean of its divisors is an integer number (419411871).

Almost surely, 2^3206495813 is an apocalyptic number.

It is an amenable number.

3206495813 is a deficient number, since it is larger than the sum of its proper divisors (148799155).

3206495813 is a wasteful number, since it uses less digits than its factorization.

3206495813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1635223.

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 3206495813 is about 56625.9288047446. The cubic root of 3206495813 is about 1474.6090413413.

The spelling of 3206495813 in words is "three billion, two hundred six million, four hundred ninety-five thousand, eight hundred thirteen".