3420432445 has 8 divisors (see below), whose sum is σ = 4105278936. Its totient is φ = 2735839296.

The previous prime is 3420432391. The next prime is 3420432451. The reversal of 3420432445 is 5442340243.

It can be written as a sum of positive squares in 4 ways, for example, as 1412406724 + 2008025721 = 37582^2 + 44811^2 .

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 3420432445 - 2¹¹ = 3420430397 is a prime.

It is a super-2 number, since 2×3420432445² = 23398716221617356050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32242 + ... + 88771.

It is an arithmetic number, because the mean of its divisors is an integer number (513159867).

Almost surely, 2^3420432445 is an apocalyptic number.

It is an amenable number.

3420432445 is a deficient number, since it is larger than the sum of its proper divisors (684846491).

3420432445 is a wasteful number, since it uses less digits than its factorization.

3420432445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126671.

The product of its (nonzero) digits is 46080, while the sum is 31.

The square root of 3420432445 is about 58484.4632787204. The cubic root of 3420432445 is about 1506.7007546118.

Adding to 3420432445 its reverse (5442340243), we get a palindrome (8862772688).

The spelling of 3420432445 in words is "three billion, four hundred twenty million, four hundred thirty-two thousand, four hundred forty-five".