4851199021429 has 2 divisors, whose sum is σ = 4851199021430. Its totient is φ = 4851199021428.

The previous prime is 4851199021411. The next prime is 4851199021597. The reversal of 4851199021429 is 9241209911584.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4575256830225 + 275942191204 = 2138985^2 + 525302^2 .

It is a cyclic number.

It is not a de Polignac number, because 4851199021429 - 2⁹ = 4851199020917 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4851199021429.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4851199051429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2425599510714 + 2425599510715.

It is an arithmetic number, because the mean of its divisors is an integer number (2425599510715).

Almost surely, 2^{4851199021429} is an apocalyptic number.

It is an amenable number.

4851199021429 is a deficient number, since it is larger than the sum of its proper divisors (1).

4851199021429 is an equidigital number, since it uses as much as digits as its factorization.

4851199021429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1866240, while the sum is 55.

The spelling of 4851199021429 in words is "four trillion, eight hundred fifty-one billion, one hundred ninety-nine million, twenty-one thousand, four hundred twenty-nine".