4345436642 has 4 divisors (see below), whose sum is σ = 6518154966. Its totient is φ = 2172718320.

The previous prime is 4345436603. The next prime is 4345436651. The reversal of 4345436642 is 2466345434.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4232673481 + 112763161 = 65059^2 + 10619^2 .

It is a super-3 number, since 3×4345436642³ (a number of 30 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4345436642.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1086359159 + ... + 1086359162.

Almost surely, 2^4345436642 is an apocalyptic number.

4345436642 is a deficient number, since it is larger than the sum of its proper divisors (2172718324).

4345436642 is a wasteful number, since it uses less digits than its factorization.

4345436642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2172718323.

The product of its digits is 829440, while the sum is 41.

The square root of 4345436642 is about 65919.9259860021. The cubic root of 4345436642 is about 1631.8408752586.

The spelling of 4345436642 in words is "four billion, three hundred forty-five million, four hundred thirty-six thousand, six hundred forty-two".