531608577983 has 4 divisors (see below), whose sum is σ = 607552660560. Its totient is φ = 455664495408.

The previous prime is 531608577949. The next prime is 531608577989. The reversal of 531608577983 is 389775806135.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 389775806135 = 5 ⋅77955161227.

It is a cyclic number.

It is not a de Polignac number, because 531608577983 - 2⁶ = 531608577919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531608577989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37972041278 + ... + 37972041291.

It is an arithmetic number, because the mean of its divisors is an integer number (151888165140).

Almost surely, 2^531608577983 is an apocalyptic number.

531608577983 is a deficient number, since it is larger than the sum of its proper divisors (75944082577).

531608577983 is an equidigital number, since it uses as much as digits as its factorization.

531608577983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75944082576.

The product of its (nonzero) digits is 38102400, while the sum is 62.

The spelling of 531608577983 in words is "five hundred thirty-one billion, six hundred eight million, five hundred seventy-seven thousand, nine hundred eighty-three".