1028454958837 has 2 divisors, whose sum is σ = 1028454958838. Its totient is φ = 1028454958836.

The previous prime is 1028454958801. The next prime is 1028454958877. The reversal of 1028454958837 is 7388594548201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 973855159281 + 54599799556 = 986841^2 + 233666^2 .

It is an emirp because it is prime and its reverse (7388594548201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1028454958837 - 2¹⁵ = 1028454926069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1028454958877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 514227479418 + 514227479419.

It is an arithmetic number, because the mean of its divisors is an integer number (514227479419).

Almost surely, 2^{1028454958837} is an apocalyptic number.

It is an amenable number.

1028454958837 is a deficient number, since it is larger than the sum of its proper divisors (1).

1028454958837 is an equidigital number, since it uses as much as digits as its factorization.

1028454958837 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77414400, while the sum is 64.

The spelling of 1028454958837 in words is "one trillion, twenty-eight billion, four hundred fifty-four million, nine hundred fifty-eight thousand, eight hundred thirty-seven".