2658732813 has 24 divisors (see below), whose sum is σ = 4201441920. Its totient is φ = 1606767360.

The previous prime is 2658732809. The next prime is 2658732841. The reversal of 2658732813 is 3182378562.

2658732813 is a `hidden beast` number, since 26 + 587 + 32 + 8 + 13 = 666.

2658732813 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 a de Polignac number, because 2658732813 - 2² = 2658732809 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2658732803) 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, 3093 + ... + 72986.

It is an arithmetic number, because the mean of its divisors is an integer number (175060080).

Almost surely, 2^2658732813 is an apocalyptic number.

It is an amenable number.

2658732813 is a deficient number, since it is larger than the sum of its proper divisors (1542709107).

2658732813 is a wasteful number, since it uses less digits than its factorization.

2658732813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76449 (or 76446 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 2658732813 is about 51562.9015184367. The cubic root of 2658732813 is about 1385.3459258345.

The spelling of 2658732813 in words is "two billion, six hundred fifty-eight million, seven hundred thirty-two thousand, eight hundred thirteen".