28214950331429 has 2 divisors, whose sum is σ = 28214950331430. Its totient is φ = 28214950331428.

The previous prime is 28214950331411. The next prime is 28214950331507. The reversal of 28214950331429 is 92413305941282.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28205287048225 + 9663283204 = 5310865^2 + 98302^2 .

It is a cyclic number.

It is not a de Polignac number, because 28214950331429 - 2¹⁶ = 28214950265893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28214950336429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14107475165714 + 14107475165715.

It is an arithmetic number, because the mean of its divisors is an integer number (14107475165715).

Almost surely, 2^{28214950331429} is an apocalyptic number.

It is an amenable number.

28214950331429 is a deficient number, since it is larger than the sum of its proper divisors (1).

28214950331429 is an equidigital number, since it uses as much as digits as its factorization.

28214950331429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3732480, while the sum is 53.

The spelling of 28214950331429 in words is "twenty-eight trillion, two hundred fourteen billion, nine hundred fifty million, three hundred thirty-one thousand, four hundred twenty-nine".