2657449163 has 8 divisors (see below), whose sum is σ = 2849388480. Its totient is φ = 2469467520.

The previous prime is 2657449159. The next prime is 2657449169. The reversal of 2657449163 is 3619447562.

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

It is a cyclic number.

It is not a de Polignac number, because 2657449163 - 2² = 2657449159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2657449169) 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, 988028 + ... + 990713.

It is an arithmetic number, because the mean of its divisors is an integer number (356173560).

Almost surely, 2^2657449163 is an apocalyptic number.

2657449163 is a deficient number, since it is larger than the sum of its proper divisors (191939317).

2657449163 is a wasteful number, since it uses less digits than its factorization.

2657449163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1978837.

The product of its digits is 1088640, while the sum is 47.

The square root of 2657449163 is about 51550.4525974312. The cubic root of 2657449163 is about 1385.1229392102.

The spelling of 2657449163 in words is "two billion, six hundred fifty-seven million, four hundred forty-nine thousand, one hundred sixty-three".