25573930486 has 8 divisors (see below), whose sum is σ = 41311733904. Its totient is φ = 11803352520.

The previous prime is 25573930463. The next prime is 25573930493. The reversal of 25573930486 is 68403937552.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 491806330 + ... + 491806381.

It is an arithmetic number, because the mean of its divisors is an integer number (5163966738).

Almost surely, 2^25573930486 is an apocalyptic number.

25573930486 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

25573930486 is a deficient number, since it is larger than the sum of its proper divisors (15737803418).

25573930486 is a wasteful number, since it uses less digits than its factorization.

25573930486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983612726.

The product of its (nonzero) digits is 5443200, while the sum is 52.

It can be divided in two parts, 255739 and 30486, that added together give a square (286225 = 535²).

The spelling of 25573930486 in words is "twenty-five billion, five hundred seventy-three million, nine hundred thirty thousand, four hundred eighty-six".