30898959953 has 2 divisors, whose sum is σ = 30898959954. Its totient is φ = 30898959952.

The previous prime is 30898959937. The next prime is 30898959967. The reversal of 30898959953 is 35995989803.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26839613584 + 4059346369 = 163828^2 + 63713^2 .

It is an emirp because it is prime and its reverse (35995989803) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30898959953 - 2⁴ = 30898959937 is a prime.

It is not a weakly prime, because it can be changed into another prime (30898959053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15449479976 + 15449479977.

It is an arithmetic number, because the mean of its divisors is an integer number (15449479977).

Almost surely, 2^30898959953 is an apocalyptic number.

It is an amenable number.

30898959953 is a deficient number, since it is larger than the sum of its proper divisors (1).

30898959953 is an equidigital number, since it uses as much as digits as its factorization.

30898959953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 94478400, while the sum is 68.

The spelling of 30898959953 in words is "thirty billion, eight hundred ninety-eight million, nine hundred fifty-nine thousand, nine hundred fifty-three".