2657397011 has 4 divisors (see below), whose sum is σ = 2661834000. Its totient is φ = 2652960024.

The previous prime is 2657396953. The next prime is 2657397053. The reversal of 2657397011 is 1107937562.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2657397011 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2657397011.

It is not an unprimeable number, because it can be changed into a prime (2657357011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2217596 + ... + 2218793.

It is an arithmetic number, because the mean of its divisors is an integer number (665458500).

Almost surely, 2^2657397011 is an apocalyptic number.

2657397011 is a deficient number, since it is larger than the sum of its proper divisors (4436989).

2657397011 is an equidigital number, since it uses as much as digits as its factorization.

2657397011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4436988.

The product of its (nonzero) digits is 79380, while the sum is 41.

The square root of 2657397011 is about 51549.9467603993. The cubic root of 2657397011 is about 1385.1138782147.

The spelling of 2657397011 in words is "two billion, six hundred fifty-seven million, three hundred ninety-seven thousand, eleven".