2201657459 has 4 divisors (see below), whose sum is σ = 2202273816. Its totient is φ = 2201041104.

The previous prime is 2201657441. The next prime is 2201657473. The reversal of 2201657459 is 9547561022.

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-2201657459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2201657429) 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, 302789 + ... + 309974.

It is an arithmetic number, because the mean of its divisors is an integer number (550568454).

Almost surely, 2^2201657459 is an apocalyptic number.

2201657459 is a deficient number, since it is larger than the sum of its proper divisors (616357).

2201657459 is an equidigital number, since it uses as much as digits as its factorization.

2201657459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616356.

The product of its (nonzero) digits is 151200, while the sum is 41.

The square root of 2201657459 is about 46921.8228439604. The cubic root of 2201657459 is about 1300.9179825892.

The spelling of 2201657459 in words is "two billion, two hundred one million, six hundred fifty-seven thousand, four hundred fifty-nine".