28930429433 has 2 divisors, whose sum is σ = 28930429434. Its totient is φ = 28930429432.

The previous prime is 28930429417. The next prime is 28930429483. The reversal of 28930429433 is 33492403982.

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., 27397863529 + 1532565904 = 165523^2 + 39148^2 .

It is a cyclic number.

It is not a de Polignac number, because 28930429433 - 2⁴ = 28930429417 is a prime.

It is not a weakly prime, because it can be changed into another prime (28930429483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14465214716 + 14465214717.

It is an arithmetic number, because the mean of its divisors is an integer number (14465214717).

Almost surely, 2^28930429433 is an apocalyptic number.

It is an amenable number.

28930429433 is a deficient number, since it is larger than the sum of its proper divisors (1).

28930429433 is an equidigital number, since it uses as much as digits as its factorization.

28930429433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1119744, while the sum is 47.

The spelling of 28930429433 in words is "twenty-eight billion, nine hundred thirty million, four hundred twenty-nine thousand, four hundred thirty-three".