6435213445 has 16 divisors (see below), whose sum is σ = 7907477760. Its totient is φ = 5025271104.

The previous prime is 6435213403. The next prime is 6435213451. The reversal of 6435213445 is 5443125346.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6435213445 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52939 + ... + 125191.

It is an arithmetic number, because the mean of its divisors is an integer number (494217360).

Almost surely, 2^6435213445 is an apocalyptic number.

It is an amenable number.

6435213445 is a deficient number, since it is larger than the sum of its proper divisors (1472264315).

6435213445 is a wasteful number, since it uses less digits than its factorization.

6435213445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72684.

The product of its digits is 172800, while the sum is 37.

The square root of 6435213445 is about 80219.7821300956. The cubic root of 6435213445 is about 1860.0344392783.

The spelling of 6435213445 in words is "six billion, four hundred thirty-five million, two hundred thirteen thousand, four hundred forty-five".