531494935293 has 16 divisors (see below), whose sum is σ = 852523205120. Its totient is φ = 287726581296.

The previous prime is 531494935291. The next prime is 531494935333. The reversal of 531494935293 is 392539494135.

It is not a de Polignac number, because 531494935293 - 2¹ = 531494935291 is a prime.

It is a super-2 number, since 2×531494935293² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531494935291) 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, 666033355 + ... + 666034152.

It is an arithmetic number, because the mean of its divisors is an integer number (53282700320).

Almost surely, 2^531494935293 is an apocalyptic number.

It is an amenable number.

531494935293 is a deficient number, since it is larger than the sum of its proper divisors (321028269827).

531494935293 is a wasteful number, since it uses less digits than its factorization.

531494935293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332067536.

The product of its digits is 15746400, while the sum is 57.

The spelling of 531494935293 in words is "five hundred thirty-one billion, four hundred ninety-four million, nine hundred thirty-five thousand, two hundred ninety-three".