2645343848 has 64 divisors (see below), whose sum is σ = 5776790400. Its totient is φ = 1112221440.

The previous prime is 2645343839. The next prime is 2645343881. The reversal of 2645343848 is 8483435462.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1007978 + ... + 1010598.

It is an arithmetic number, because the mean of its divisors is an integer number (90262350).

Almost surely, 2^2645343848 is an apocalyptic number.

2645343848 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2645343848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2888395200).

2645343848 is an abundant number, since it is smaller than the sum of its proper divisors (3131446552).

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

2645343848 is a wasteful number, since it uses less digits than its factorization.

2645343848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2970 (or 2966 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 47.

The square root of 2645343848 is about 51432.9062760408. The cubic root of 2645343848 is about 1383.0165491033.

The spelling of 2645343848 in words is "two billion, six hundred forty-five million, three hundred forty-three thousand, eight hundred forty-eight".