2645730311 has 8 divisors (see below), whose sum is σ = 3025002144. Its totient is φ = 2266786080.

The previous prime is 2645730299. The next prime is 2645730317. The reversal of 2645730311 is 1130375462.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2645730311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2645730317) 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, 64340 + ... + 97113.

It is an arithmetic number, because the mean of its divisors is an integer number (378125268).

Almost surely, 2^2645730311 is an apocalyptic number.

2645730311 is a deficient number, since it is larger than the sum of its proper divisors (379271833).

2645730311 is a wasteful number, since it uses less digits than its factorization.

2645730311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163801.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 2645730311 is about 51436.6631013327. The cubic root of 2645730311 is about 1383.0838949418.

The spelling of 2645730311 in words is "two billion, six hundred forty-five million, seven hundred thirty thousand, three hundred eleven".