30377545813 has 2 divisors, whose sum is σ = 30377545814. Its totient is φ = 30377545812.

The previous prime is 30377545753. The next prime is 30377545831. The reversal of 30377545813 is 31854577303.

Together with next prime (30377545831) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30262777444 + 114768369 = 173962^2 + 10713^2 .

It is a cyclic number.

It is not a de Polignac number, because 30377545813 - 2³³ = 21787611221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30377545843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15188772906 + 15188772907.

It is an arithmetic number, because the mean of its divisors is an integer number (15188772907).

Almost surely, 2^30377545813 is an apocalyptic number.

It is an amenable number.

30377545813 is a deficient number, since it is larger than the sum of its proper divisors (1).

30377545813 is an equidigital number, since it uses as much as digits as its factorization.

30377545813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1058400, while the sum is 46.

The spelling of 30377545813 in words is "thirty billion, three hundred seventy-seven million, five hundred forty-five thousand, eight hundred thirteen".