4245420365 has 8 divisors (see below), whose sum is σ = 5144945688. Its totient is φ = 3362708800.

The previous prime is 4245420349. The next prime is 4245420407. The reversal of 4245420365 is 5630245424.

It can be written as a sum of positive squares in 4 ways, for example, as 309865609 + 3935554756 = 17603^2 + 62734^2 .

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

It is not a de Polignac number, because 4245420365 - 2⁴ = 4245420349 is a prime.

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, 4202882 + ... + 4203891.

It is an arithmetic number, because the mean of its divisors is an integer number (643118211).

Almost surely, 2^4245420365 is an apocalyptic number.

It is an amenable number.

4245420365 is a deficient number, since it is larger than the sum of its proper divisors (899525323).

4245420365 is a wasteful number, since it uses less digits than its factorization.

4245420365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8406879.

The product of its (nonzero) digits is 115200, while the sum is 35.

The square root of 4245420365 is about 65156.8903877403. The cubic root of 4245420365 is about 1619.2238782164.

Adding to 4245420365 its reverse (5630245424), we get a palindrome (9875665789).

The spelling of 4245420365 in words is "four billion, two hundred forty-five million, four hundred twenty thousand, three hundred sixty-five".