1428243930077 has 2 divisors, whose sum is σ = 1428243930078. Its totient is φ = 1428243930076.

The previous prime is 1428243929977. The next prime is 1428243930103. The reversal of 1428243930077 is 7700393428241.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1392449560441 + 35794369636 = 1180021^2 + 189194^2 .

It is an emirp because it is prime and its reverse (7700393428241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1428243930077 - 2¹² = 1428243925981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1428243930277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 714121965038 + 714121965039.

It is an arithmetic number, because the mean of its divisors is an integer number (714121965039).

Almost surely, 2^{1428243930077} is an apocalyptic number.

It is an amenable number.

1428243930077 is a deficient number, since it is larger than the sum of its proper divisors (1).

1428243930077 is an equidigital number, since it uses as much as digits as its factorization.

1428243930077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2032128, while the sum is 50.

The spelling of 1428243930077 in words is "one trillion, four hundred twenty-eight billion, two hundred forty-three million, nine hundred thirty thousand, seventy-seven".