531057516346463 has 8 divisors (see below), whose sum is σ = 532000073554320. Its totient is φ = 530114991560640.

The previous prime is 531057516346459. The next prime is 531057516346471. The reversal of 531057516346463 is 364643615750135.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 531057516346463 - 2² = 531057516346459 is a prime.

It is a super-2 number, since 2×531057516346463² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531057516346663) 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, 24801056 + ... + 40953722.

It is an arithmetic number, because the mean of its divisors is an integer number (66500009194290).

Almost surely, 2^{531057516346463} is an apocalyptic number.

531057516346463 is a deficient number, since it is larger than the sum of its proper divisors (942557207857).

531057516346463 is a wasteful number, since it uses less digits than its factorization.

531057516346463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16211017.

The product of its (nonzero) digits is 81648000, while the sum is 59.

The spelling of 531057516346463 in words is "five hundred thirty-one trillion, fifty-seven billion, five hundred sixteen million, three hundred forty-six thousand, four hundred sixty-three".