285266741697 has 12 divisors (see below), whose sum is σ = 470916526080. Its totient is φ = 163009566648.

The previous prime is 285266741689. The next prime is 285266741717. The reversal of 285266741697 is 796147662582.

285266741697 is a `hidden beast` number, since 2 + 8 + 526 + 6 + 7 + 4 + 16 + 97 = 666.

It is not a de Polignac number, because 285266741697 - 2³ = 285266741689 is a prime.

It is a super-2 number, since 2×285266741697² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63), and also a Moran number because the ratio is a prime number: 4528043519 = 285266741697 / (2 + 8 + 5 + 2 + 6 + 6 + 7 + 4 + 1 + 6 + 9 + 7).

It is not an unprimeable number, because it can be changed into a prime (285266741647) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2264021697 + ... + 2264021822.

It is an arithmetic number, because the mean of its divisors is an integer number (39243043840).

Almost surely, 2^285266741697 is an apocalyptic number.

It is an amenable number.

285266741697 is a deficient number, since it is larger than the sum of its proper divisors (185649784383).

285266741697 is a wasteful number, since it uses less digits than its factorization.

285266741697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4528043532 (or 4528043529 counting only the distinct ones).

The product of its digits is 60963840, while the sum is 63.

The spelling of 285266741697 in words is "two hundred eighty-five billion, two hundred sixty-six million, seven hundred forty-one thousand, six hundred ninety-seven".