30236971969 has 2 divisors, whose sum is σ = 30236971970. Its totient is φ = 30236971968.

The previous prime is 30236971967. The next prime is 30236971979. The reversal of 30236971969 is 96917963203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30115090369 + 121881600 = 173537^2 + 11040^2 .

It is a cyclic number.

It is not a de Polignac number, because 30236971969 - 2¹ = 30236971967 is a prime.

It is a super-2 number, since 2×30236971969² (a number of 22 digits) contains 22 as substring.

Together with 30236971967, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (30236971967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15118485984 + 15118485985.

It is an arithmetic number, because the mean of its divisors is an integer number (15118485985).

Almost surely, 2^30236971969 is an apocalyptic number.

It is an amenable number.

30236971969 is a deficient number, since it is larger than the sum of its proper divisors (1).

30236971969 is an equidigital number, since it uses as much as digits as its factorization.

30236971969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3306744, while the sum is 55.

The spelling of 30236971969 in words is "thirty billion, two hundred thirty-six million, nine hundred seventy-one thousand, nine hundred sixty-nine".