30695969 has 2 divisors, whose sum is σ = 30695970. Its totient is φ = 30695968.

The previous prime is 30695923. The next prime is 30695981. The reversal of 30695969 is 96959603.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19891600 + 10804369 = 4460^2 + 3287^2 .

It is a cyclic number.

It is not a de Polignac number, because 30695969 - 2¹² = 30691873 is a prime.

It is a super-2 number, since 2×30695969² = 1884485025697922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30695069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15347984 + 15347985.

It is an arithmetic number, because the mean of its divisors is an integer number (15347985).

Almost surely, 2^30695969 is an apocalyptic number.

It is an amenable number.

30695969 is a deficient number, since it is larger than the sum of its proper divisors (1).

30695969 is an equidigital number, since it uses as much as digits as its factorization.

30695969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 393660, while the sum is 47.

The square root of 30695969 is about 5540.3943000476. The cubic root of 30695969 is about 313.1077248993.

The spelling of 30695969 in words is "thirty million, six hundred ninety-five thousand, nine hundred sixty-nine".