531420263515353 has 16 divisors (see below), whose sum is σ = 716535181910016. Its totient is φ = 350314974412560.

The previous prime is 531420263515327. The next prime is 531420263515357. The reversal of 531420263515353 is 353515362024135.

It is not a de Polignac number, because 531420263515353 - 2⁵ = 531420263515321 is a prime.

It is a super-2 number, since 2×531420263515353² (a number of 30 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (531420263515357) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2776655851 + ... + 2776847232.

It is an arithmetic number, because the mean of its divisors is an integer number (44783448869376).

Almost surely, 2^{531420263515353} is an apocalyptic number.

It is an amenable number.

531420263515353 is a deficient number, since it is larger than the sum of its proper divisors (185114918394663).

531420263515353 is a wasteful number, since it uses less digits than its factorization.

531420263515353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5553503444.

The product of its (nonzero) digits is 4860000, while the sum is 48.

The spelling of 531420263515353 in words is "five hundred thirty-one trillion, four hundred twenty billion, two hundred sixty-three million, five hundred fifteen thousand, three hundred fifty-three".