530216958921 has 16 divisors (see below), whose sum is σ = 761952711744. Its totient is φ = 326023556544.

The previous prime is 530216958881. The next prime is 530216958937. The reversal of 530216958921 is 129859612035.

It is a happy number.

It is not a de Polignac number, because 530216958921 - 2⁷ = 530216958793 is a prime.

It is a super-2 number, since 2×530216958921² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (530216918921) 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, 5447031 + ... + 5543516.

It is an arithmetic number, because the mean of its divisors is an integer number (47622044484).

Almost surely, 2^530216958921 is an apocalyptic number.

It is an amenable number.

530216958921 is a deficient number, since it is larger than the sum of its proper divisors (231735752823).

530216958921 is a wasteful number, since it uses less digits than its factorization.

530216958921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10991800.

The product of its (nonzero) digits is 1166400, while the sum is 51.

The spelling of 530216958921 in words is "five hundred thirty billion, two hundred sixteen million, nine hundred fifty-eight thousand, nine hundred twenty-one".