523424505625645 has 64 divisors (see below), whose sum is σ = 728981255245824. Its totient is φ = 357611545589760.

The previous prime is 523424505625519. The next prime is 523424505625667. The reversal of 523424505625645 is 546526505424325.

It is not a de Polignac number, because 523424505625645 - 2²⁹ = 523423968754733 is a prime.

It is a super-3 number, since 3×523424505625645³ (a number of 45 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 523424505625645.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 86663497 + ... + 92506273.

It is an arithmetic number, because the mean of its divisors is an integer number (11390332113216).

Almost surely, 2^{523424505625645} is an apocalyptic number.

It is an amenable number.

523424505625645 is a deficient number, since it is larger than the sum of its proper divisors (205556749620179).

523424505625645 is a wasteful number, since it uses less digits than its factorization.

523424505625645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5844782.

The product of its (nonzero) digits is 172800000, while the sum is 58.

The spelling of 523424505625645 in words is "five hundred twenty-three trillion, four hundred twenty-four billion, five hundred five million, six hundred twenty-five thousand, six hundred forty-five".