2573428986 has 12 divisors (see below), whose sum is σ = 5575762842. Its totient is φ = 857809656.

The previous prime is 2573428973. The next prime is 2573429017. The reversal of 2573428986 is 6898243752.

2573428986 is a `hidden beast` number, since 257 + 34 + 289 + 86 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2239087761 + 334341225 = 47319^2 + 18285^2 .

It is a super-3 number, since 3×2573428986³ (a number of 29 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 71484121 + ... + 71484156.

Almost surely, 2^2573428986 is an apocalyptic number.

2573428986 is an abundant number, since it is smaller than the sum of its proper divisors (3002333856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2573428986 is a wasteful number, since it uses less digits than its factorization.

2573428986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142968285 (or 142968282 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 54.

The square root of 2573428986 is about 50728.9758027895. The cubic root of 2573428986 is about 1370.3685913948.

It can be divided in two parts, 257 and 3428986, that added together give a palindrome (3429243).

The spelling of 2573428986 in words is "two billion, five hundred seventy-three million, four hundred twenty-eight thousand, nine hundred eighty-six".