30869463949 has 2 divisors, whose sum is σ = 30869463950. Its totient is φ = 30869463948.

The previous prime is 30869463883. The next prime is 30869463971. The reversal of 30869463949 is 94936496803.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30719572900 + 149891049 = 175270^2 + 12243^2 .

It is a cyclic number.

It is not a de Polignac number, because 30869463949 - 2¹¹ = 30869461901 is a prime.

It is a super-2 number, since 2×30869463949² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30869463979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15434731974 + 15434731975.

It is an arithmetic number, because the mean of its divisors is an integer number (15434731975).

Almost surely, 2^30869463949 is an apocalyptic number.

It is an amenable number.

30869463949 is a deficient number, since it is larger than the sum of its proper divisors (1).

30869463949 is an equidigital number, since it uses as much as digits as its factorization.

30869463949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30233088, while the sum is 61.

The spelling of 30869463949 in words is "thirty billion, eight hundred sixty-nine million, four hundred sixty-three thousand, nine hundred forty-nine".