30136986577 has 2 divisors, whose sum is σ = 30136986578. Its totient is φ = 30136986576.

The previous prime is 30136986571. The next prime is 30136986601. The reversal of 30136986577 is 77568963103.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15544104976 + 14592881601 = 124676^2 + 120801^2 .

It is a cyclic number.

It is not a de Polignac number, because 30136986577 - 2³ = 30136986569 is a prime.

It is a super-3 number, since 3×30136986577³ (a number of 32 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (30136986571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15068493288 + 15068493289.

It is an arithmetic number, because the mean of its divisors is an integer number (15068493289).

Almost surely, 2^30136986577 is an apocalyptic number.

It is an amenable number.

30136986577 is a deficient number, since it is larger than the sum of its proper divisors (1).

30136986577 is an equidigital number, since it uses as much as digits as its factorization.

30136986577 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5715360, while the sum is 55.

The spelling of 30136986577 in words is "thirty billion, one hundred thirty-six million, nine hundred eighty-six thousand, five hundred seventy-seven".