2645694924 has 24 divisors (see below), whose sum is σ = 6178846128. Its totient is φ = 881104320.

The previous prime is 2645694923. The next prime is 2645694949. The reversal of 2645694924 is 4294965462.

2645694924 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2645694923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85287 + ... + 112094.

It is an arithmetic number, because the mean of its divisors is an integer number (257451922).

Almost surely, 2^2645694924 is an apocalyptic number.

It is an amenable number.

2645694924 is an abundant number, since it is smaller than the sum of its proper divisors (3533151204).

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

2645694924 is a wasteful number, since it uses less digits than its factorization.

2645694924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198505 (or 198503 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 51.

The square root of 2645694924 is about 51436.3191140268. The cubic root of 2645694924 is about 1383.0777286031.

The spelling of 2645694924 in words is "two billion, six hundred forty-five million, six hundred ninety-four thousand, nine hundred twenty-four".