525649680854 has 16 divisors (see below), whose sum is σ = 835494203088. Its totient is φ = 247175273472.

The previous prime is 525649680841. The next prime is 525649680859. The reversal of 525649680854 is 458086946525.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525649680859) 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, 5869979 + ... + 5958854.

It is an arithmetic number, because the mean of its divisors is an integer number (52218387693).

Almost surely, 2^525649680854 is an apocalyptic number.

525649680854 is a deficient number, since it is larger than the sum of its proper divisors (309844522234).

525649680854 is a wasteful number, since it uses less digits than its factorization.

525649680854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11830159.

The product of its (nonzero) digits is 82944000, while the sum is 62.

The spelling of 525649680854 in words is "five hundred twenty-five billion, six hundred forty-nine million, six hundred eighty thousand, eight hundred fifty-four".