285618323407 has 2 divisors, whose sum is σ = 285618323408. Its totient is φ = 285618323406.

The previous prime is 285618323371. The next prime is 285618323449. The reversal of 285618323407 is 704323816582.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 285618323407 - 2³¹ = 283470839759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (285618326407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142809161703 + 142809161704.

It is an arithmetic number, because the mean of its divisors is an integer number (142809161704).

Almost surely, 2^285618323407 is an apocalyptic number.

285618323407 is a deficient number, since it is larger than the sum of its proper divisors (1).

285618323407 is an equidigital number, since it uses as much as digits as its factorization.

285618323407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1935360, while the sum is 49.

The spelling of 285618323407 in words is "two hundred eighty-five billion, six hundred eighteen million, three hundred twenty-three thousand, four hundred seven".