30725534677 has 2 divisors, whose sum is σ = 30725534678. Its totient is φ = 30725534676.

The previous prime is 30725534663. The next prime is 30725534743. The reversal of 30725534677 is 77643552703.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23508862276 + 7216672401 = 153326^2 + 84951^2 .

It is a cyclic number.

It is not a de Polignac number, because 30725534677 - 2¹⁹ = 30725010389 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30725534677.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30725534617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15362767338 + 15362767339.

It is an arithmetic number, because the mean of its divisors is an integer number (15362767339).

Almost surely, 2^30725534677 is an apocalyptic number.

It is an amenable number.

30725534677 is a deficient number, since it is larger than the sum of its proper divisors (1).

30725534677 is an equidigital number, since it uses as much as digits as its factorization.

30725534677 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3704400, while the sum is 49.

The spelling of 30725534677 in words is "thirty billion, seven hundred twenty-five million, five hundred thirty-four thousand, six hundred seventy-seven".