420674745025 has 12 divisors (see below), whose sum is σ = 524651930172. Its totient is φ = 334594475840.

The previous prime is 420674745013. The next prime is 420674745047. The reversal of 420674745025 is 520547476024.

It can be written as a sum of positive squares in 6 ways, for example, as 97851664 + 420576893361 = 9892^2 + 648519^2 .

It is a de Polignac number, because none of the positive numbers 2^k-420674745025 is a prime.

It is a super-3 number, since 3×420674745025³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48628594 + ... + 48637243.

It is an arithmetic number, because the mean of its divisors is an integer number (43720994181).

Almost surely, 2^420674745025 is an apocalyptic number.

It is an amenable number.

420674745025 is a deficient number, since it is larger than the sum of its proper divisors (103977185147).

420674745025 is a wasteful number, since it uses less digits than its factorization.

420674745025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97266020 (or 97266015 counting only the distinct ones).

The product of its (nonzero) digits is 1881600, while the sum is 46.

The spelling of 420674745025 in words is "four hundred twenty billion, six hundred seventy-four million, seven hundred forty-five thousand, twenty-five".