30451717249 has 2 divisors, whose sum is σ = 30451717250. Its totient is φ = 30451717248.

The previous prime is 30451717243. The next prime is 30451717301. The reversal of 30451717249 is 94271715403.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17038603024 + 13413114225 = 130532^2 + 115815^2 .

It is a cyclic number.

It is not a de Polignac number, because 30451717249 - 2⁵ = 30451717217 is a prime.

It is a zygodrome in base 5.

It is not a weakly prime, because it can be changed into another prime (30451717243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15225858624 + 15225858625.

It is an arithmetic number, because the mean of its divisors is an integer number (15225858625).

Almost surely, 2^30451717249 is an apocalyptic number.

It is an amenable number.

30451717249 is a deficient number, since it is larger than the sum of its proper divisors (1).

30451717249 is an equidigital number, since it uses as much as digits as its factorization.

30451717249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 211680, while the sum is 43.

The spelling of 30451717249 in words is "thirty billion, four hundred fifty-one million, seven hundred seventeen thousand, two hundred forty-nine".