284001949397 has 2 divisors, whose sum is σ = 284001949398. Its totient is φ = 284001949396.

The previous prime is 284001949393. The next prime is 284001949409. The reversal of 284001949397 is 793949100482.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 188402874916 + 95599074481 = 434054^2 + 309191^2 .

It is a cyclic number.

It is not a de Polignac number, because 284001949397 - 2² = 284001949393 is a prime.

It is a super-2 number, since 2×284001949397² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (284001949393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142000974698 + 142000974699.

It is an arithmetic number, because the mean of its divisors is an integer number (142000974699).

Almost surely, 2^284001949397 is an apocalyptic number.

It is an amenable number.

284001949397 is a deficient number, since it is larger than the sum of its proper divisors (1).

284001949397 is an equidigital number, since it uses as much as digits as its factorization.

284001949397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3919104, while the sum is 56.

The spelling of 284001949397 in words is "two hundred eighty-four billion, one million, nine hundred forty-nine thousand, three hundred ninety-seven".