2645306433 has 24 divisors (see below), whose sum is σ = 4763843136. Its totient is φ = 1374184800.

The previous prime is 2645306431. The next prime is 2645306467. The reversal of 2645306433 is 3346035462.

2645306433 is a `hidden beast` number, since 2 + 6 + 4 + 5 + 3 + 0 + 643 + 3 = 666.

It is not a de Polignac number, because 2645306433 - 2¹ = 2645306431 is a prime.

It is a super-2 number, since 2×2645306433² = 13995292248942366978, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2645306431) 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, 1907898 + ... + 1909283.

It is an arithmetic number, because the mean of its divisors is an integer number (198493464).

Almost surely, 2^2645306433 is an apocalyptic number.

It is an amenable number.

2645306433 is a deficient number, since it is larger than the sum of its proper divisors (2118536703).

2645306433 is a wasteful number, since it uses less digits than its factorization.

2645306433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3817205 (or 3817202 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 36.

The square root of 2645306433 is about 51432.5425484683. The cubic root of 2645306433 is about 1383.0100287401.

The spelling of 2645306433 in words is "two billion, six hundred forty-five million, three hundred six thousand, four hundred thirty-three".