30542490269 has 2 divisors, whose sum is σ = 30542490270. Its totient is φ = 30542490268.

The previous prime is 30542490247. The next prime is 30542490271. The reversal of 30542490269 is 96209424503.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19378032025 + 11164458244 = 139205^2 + 105662^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30542490269 is a prime.

It is a super-2 number, since 2×30542490269² (a number of 22 digits) contains 22 as substring.

Together with 30542490271, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30542490229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15271245134 + 15271245135.

It is an arithmetic number, because the mean of its divisors is an integer number (15271245135).

Almost surely, 2^30542490269 is an apocalyptic number.

It is an amenable number.

30542490269 is a deficient number, since it is larger than the sum of its proper divisors (1).

30542490269 is an equidigital number, since it uses as much as digits as its factorization.

30542490269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 466560, while the sum is 44.

The spelling of 30542490269 in words is "thirty billion, five hundred forty-two million, four hundred ninety thousand, two hundred sixty-nine".