30212349489 has 135 divisors (see below), whose sum is σ = 54865103931. Its totient is φ = 16519567680.

The previous prime is 30212349469. The next prime is 30212349529. The reversal of 30212349489 is 98494321203.

The square root of 30212349489 is 173817.

It is a perfect power (a square), and thus also a powerful number.

30212349489 is a `hidden beast` number, since 3 + 0 + 2 + 123 + 49 + 489 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5801411889 + 24410937600 = 76167^2 + 156240^2 .

It is not a de Polignac number, because 30212349489 - 2⁵ = 30212349457 is a prime.

It is a super-2 number, since 2×30212349489² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30212349449) by changing a digit.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 339464557 + ... + 339464645.

Almost surely, 2^30212349489 is an apocalyptic number.

30212349489 is the 173817-th square number.

30212349489 is the 86909-th centered octagonal number.

It is an amenable number.

30212349489 is a deficient number, since it is larger than the sum of its proper divisors (24652754442).

30212349489 is an frugal number, since it uses more digits than its factorization.

30212349489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The spelling of 30212349489 in words is "thirty billion, two hundred twelve million, three hundred forty-nine thousand, four hundred eighty-nine".