4239193445 has 8 divisors (see below), whose sum is σ = 5087479320. Its totient is φ = 3391056640.

The previous prime is 4239193369. The next prime is 4239193451. The reversal of 4239193445 is 5443919324.

It can be written as a sum of positive squares in 4 ways, for example, as 329567716 + 3909625729 = 18154^2 + 62527^2 .

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

It is not a de Polignac number, because 4239193445 - 2¹⁶ = 4239127909 is a prime.

It is a super-2 number, since 2×4239193445² = 35941522128261936050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4239193396 and 4239193405.

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, 39785 + ... + 100305.

It is an arithmetic number, because the mean of its divisors is an integer number (635934915).

Almost surely, 2^4239193445 is an apocalyptic number.

It is an amenable number.

4239193445 is a deficient number, since it is larger than the sum of its proper divisors (848285875).

4239193445 is a wasteful number, since it uses less digits than its factorization.

4239193445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74535.

The product of its digits is 466560, while the sum is 44.

The square root of 4239193445 is about 65109.0888048666. The cubic root of 4239193445 is about 1618.4318317048.

The spelling of 4239193445 in words is "four billion, two hundred thirty-nine million, one hundred ninety-three thousand, four hundred forty-five".