4209597592648 has 96 divisors (see below), whose sum is σ = 9240372999000. Its totient is φ = 1792607846400.

The previous prime is 4209597592643. The next prime is 4209597592687. The reversal of 4209597592648 is 8462957959024.

It can be written as a sum of positive squares in 4 ways, for example, as 4081377738564 + 128219854084 = 2020242^2 + 358078^2 .

It is not an unprimeable number, because it can be changed into a prime (4209597592643) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42368308 + ... + 42467548.

Almost surely, 2^{4209597592648} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4209597592648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4620186499500).

4209597592648 is an abundant number, since it is smaller than the sum of its proper divisors (5030775406352).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4209597592648 is a wasteful number, since it uses less digits than its factorization.

4209597592648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99951 (or 99940 counting only the distinct ones).

The product of its (nonzero) digits is 391910400, while the sum is 70.

The spelling of 4209597592648 in words is "four trillion, two hundred nine billion, five hundred ninety-seven million, five hundred ninety-two thousand, six hundred forty-eight".