30890959399 has 2 divisors, whose sum is σ = 30890959400. Its totient is φ = 30890959398.

The previous prime is 30890959357. The next prime is 30890959469. The reversal of 30890959399 is 99395909803.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30890959399 - 2¹⁵ = 30890926631 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30890959399.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30890959349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15445479699 + 15445479700.

It is an arithmetic number, because the mean of its divisors is an integer number (15445479700).

Almost surely, 2^30890959399 is an apocalyptic number.

30890959399 is a deficient number, since it is larger than the sum of its proper divisors (1).

30890959399 is an equidigital number, since it uses as much as digits as its factorization.

30890959399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21257640, while the sum is 64.

The spelling of 30890959399 in words is "thirty billion, eight hundred ninety million, nine hundred fifty-nine thousand, three hundred ninety-nine".