284531013491 has 2 divisors, whose sum is σ = 284531013492. Its totient is φ = 284531013490.

The previous prime is 284531013479. The next prime is 284531013553. The reversal of 284531013491 is 194310135482.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 284531013491 - 2¹⁸ = 284530751347 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (284531013401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142265506745 + 142265506746.

It is an arithmetic number, because the mean of its divisors is an integer number (142265506746).

Almost surely, 2^284531013491 is an apocalyptic number.

284531013491 is a deficient number, since it is larger than the sum of its proper divisors (1).

284531013491 is an equidigital number, since it uses as much as digits as its factorization.

284531013491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 41.

The spelling of 284531013491 in words is "two hundred eighty-four billion, five hundred thirty-one million, thirteen thousand, four hundred ninety-one".