30018126997 has 2 divisors, whose sum is σ = 30018126998. Its totient is φ = 30018126996.

The previous prime is 30018126953. The next prime is 30018127003. The reversal of 30018126997 is 79962181003.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29903401476 + 114725521 = 172926^2 + 10711^2 .

It is a cyclic number.

It is not a de Polignac number, because 30018126997 - 2¹⁵ = 30018094229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30018126497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15009063498 + 15009063499.

It is an arithmetic number, because the mean of its divisors is an integer number (15009063499).

Almost surely, 2^30018126997 is an apocalyptic number.

It is an amenable number.

30018126997 is a deficient number, since it is larger than the sum of its proper divisors (1).

30018126997 is an equidigital number, since it uses as much as digits as its factorization.

30018126997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 46.

The spelling of 30018126997 in words is "thirty billion, eighteen million, one hundred twenty-six thousand, nine hundred ninety-seven".