30772668461573 has 2 divisors, whose sum is σ = 30772668461574. Its totient is φ = 30772668461572.

The previous prime is 30772668461567. The next prime is 30772668461609. The reversal of 30772668461573 is 37516486627703.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30397656747649 + 375011713924 = 5513407^2 + 612382^2 .

It is a cyclic number.

It is not a de Polignac number, because 30772668461573 - 2³⁸ = 30497790554629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30772668461503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15386334230786 + 15386334230787.

It is an arithmetic number, because the mean of its divisors is an integer number (15386334230787).

Almost surely, 2^{30772668461573} is an apocalyptic number.

It is an amenable number.

30772668461573 is a deficient number, since it is larger than the sum of its proper divisors (1).

30772668461573 is an equidigital number, since it uses as much as digits as its factorization.

30772668461573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 213373440, while the sum is 65.

The spelling of 30772668461573 in words is "thirty trillion, seven hundred seventy-two billion, six hundred sixty-eight million, four hundred sixty-one thousand, five hundred seventy-three".