30259973779117 has 2 divisors, whose sum is σ = 30259973779118. Its totient is φ = 30259973779116.

The previous prime is 30259973779099. The next prime is 30259973779241. The reversal of 30259973779117 is 71197737995203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30227278268356 + 32695510761 = 5497934^2 + 180819^2 .

It is an emirp because it is prime and its reverse (71197737995203) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30259973779117 - 2¹¹ = 30259973777069 is a prime.

It is a super-2 number, since 2×30259973779117² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30259973779517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15129986889558 + 15129986889559.

It is an arithmetic number, because the mean of its divisors is an integer number (15129986889559).

Almost surely, 2^{30259973779117} is an apocalyptic number.

It is an amenable number.

30259973779117 is a deficient number, since it is larger than the sum of its proper divisors (1).

30259973779117 is an equidigital number, since it uses as much as digits as its factorization.

30259973779117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 157529610, while the sum is 70.

The spelling of 30259973779117 in words is "thirty trillion, two hundred fifty-nine billion, nine hundred seventy-three million, seven hundred seventy-nine thousand, one hundred seventeen".