1428196803049 has 2 divisors, whose sum is σ = 1428196803050. Its totient is φ = 1428196803048.

The previous prime is 1428196803041. The next prime is 1428196803053. The reversal of 1428196803049 is 9403086918241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1383999309225 + 44197493824 = 1176435^2 + 210232^2 .

It is a cyclic number.

It is not a de Polignac number, because 1428196803049 - 2³ = 1428196803041 is a prime.

It is a super-2 number, since 2×1428196803049² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1428196803041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 714098401524 + 714098401525.

It is an arithmetic number, because the mean of its divisors is an integer number (714098401525).

Almost surely, 2^{1428196803049} is an apocalyptic number.

It is an amenable number.

1428196803049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1428196803049 is an equidigital number, since it uses as much as digits as its factorization.

1428196803049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2985984, while the sum is 55.

The spelling of 1428196803049 in words is "one trillion, four hundred twenty-eight billion, one hundred ninety-six million, eight hundred three thousand, forty-nine".