30949790898671 has 2 divisors, whose sum is σ = 30949790898672. Its totient is φ = 30949790898670.

The previous prime is 30949790898667. The next prime is 30949790898743. The reversal of 30949790898671 is 17689809794903.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30949790898671 - 2² = 30949790898667 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30949790895671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15474895449335 + 15474895449336.

It is an arithmetic number, because the mean of its divisors is an integer number (15474895449336).

Almost surely, 2^{30949790898671} is an apocalyptic number.

30949790898671 is a deficient number, since it is larger than the sum of its proper divisors (1).

30949790898671 is an equidigital number, since it uses as much as digits as its factorization.

30949790898671 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1481421312, while the sum is 80.

The spelling of 30949790898671 in words is "thirty trillion, nine hundred forty-nine billion, seven hundred ninety million, eight hundred ninety-eight thousand, six hundred seventy-one".