523426302616645 has 32 divisors (see below), whose sum is σ = 643169149121664. Its totient is φ = 408716388864000.

The previous prime is 523426302616639. The next prime is 523426302616667. The reversal of 523426302616645 is 546616203624325.

It is not a de Polignac number, because 523426302616645 - 2⁴⁷ = 382688814261317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1985168070 + ... + 1985431720.

It is an arithmetic number, because the mean of its divisors is an integer number (20099035910052).

Almost surely, 2^{523426302616645} is an apocalyptic number.

It is an amenable number.

523426302616645 is a deficient number, since it is larger than the sum of its proper divisors (119742846505019).

523426302616645 is a wasteful number, since it uses less digits than its factorization.

523426302616645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270133.

The product of its (nonzero) digits is 37324800, while the sum is 55.

The spelling of 523426302616645 in words is "five hundred twenty-three trillion, four hundred twenty-six billion, three hundred two million, six hundred sixteen thousand, six hundred forty-five".