30776461049 has 2 divisors, whose sum is σ = 30776461050. Its totient is φ = 30776461048.

The previous prime is 30776460997. The next prime is 30776461063. The reversal of 30776461049 is 94016467703.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30182807824 + 593653225 = 173732^2 + 24365^2 .

It is a cyclic number.

It is not a de Polignac number, because 30776461049 - 2²⁸ = 30508025593 is a prime.

It is a super-2 number, since 2×30776461049² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30776460994 and 30776461012.

It is not a weakly prime, because it can be changed into another prime (30776461099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15388230524 + 15388230525.

It is an arithmetic number, because the mean of its divisors is an integer number (15388230525).

Almost surely, 2^30776461049 is an apocalyptic number.

It is an amenable number.

30776461049 is a deficient number, since it is larger than the sum of its proper divisors (1).

30776461049 is an equidigital number, since it uses as much as digits as its factorization.

30776461049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 762048, while the sum is 47.

The spelling of 30776461049 in words is "thirty billion, seven hundred seventy-six million, four hundred sixty-one thousand, forty-nine".