2589631957 has 12 divisors (see below), whose sum is σ = 2912657440. Its totient is φ = 2299457160.

The previous prime is 2589631921. The next prime is 2589631987. The reversal of 2589631957 is 7591369852.

It is not a de Polignac number, because 2589631957 - 2⁷ = 2589631829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2589631898 and 2589631907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2589631987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 243657 + ... + 254062.

Almost surely, 2^2589631957 is an apocalyptic number.

It is an amenable number.

2589631957 is a deficient number, since it is larger than the sum of its proper divisors (323025483).

2589631957 is a wasteful number, since it uses less digits than its factorization.

2589631957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497784 (or 497773 counting only the distinct ones).

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

The square root of 2589631957 is about 50888.4265526062. The cubic root of 2589631957 is about 1373.2386406822.

The spelling of 2589631957 in words is "two billion, five hundred eighty-nine million, six hundred thirty-one thousand, nine hundred fifty-seven".