2557189963 has 8 divisors (see below), whose sum is σ = 2716438032. Its totient is φ = 2398922496.

The previous prime is 2557189949. The next prime is 2557190011. The reversal of 2557189963 is 3699817552.

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

It is not a de Polignac number, because 2557189963 - 2⁵ = 2557189931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2557189903) 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, 239770 + ... + 250207.

It is an arithmetic number, because the mean of its divisors is an integer number (339554754).

Almost surely, 2^2557189963 is an apocalyptic number.

2557189963 is a deficient number, since it is larger than the sum of its proper divisors (159248069).

2557189963 is a wasteful number, since it uses less digits than its factorization.

2557189963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490301.

The product of its digits is 4082400, while the sum is 55.

The square root of 2557189963 is about 50568.6658218308. The cubic root of 2557189963 is about 1367.4800432903.

The spelling of 2557189963 in words is "two billion, five hundred fifty-seven million, one hundred eighty-nine thousand, nine hundred sixty-three".