30215245234457 has 2 divisors, whose sum is σ = 30215245234458. Its totient is φ = 30215245234456.

The previous prime is 30215245234441. The next prime is 30215245234477. The reversal of 30215245234457 is 75443254251203.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27967851479296 + 2247393755161 = 5288464^2 + 1499131^2 .

It is a cyclic number.

It is not a de Polignac number, because 30215245234457 - 2⁴ = 30215245234441 is a prime.

It is a super-2 number, since 2×30215245234457² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30215245234477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15107622617228 + 15107622617229.

It is an arithmetic number, because the mean of its divisors is an integer number (15107622617229).

Almost surely, 2^{30215245234457} is an apocalyptic number.

It is an amenable number.

30215245234457 is a deficient number, since it is larger than the sum of its proper divisors (1).

30215245234457 is an equidigital number, since it uses as much as digits as its factorization.

30215245234457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032000, while the sum is 47.

The spelling of 30215245234457 in words is "thirty trillion, two hundred fifteen billion, two hundred forty-five million, two hundred thirty-four thousand, four hundred fifty-seven".