587494749481 has 2 divisors, whose sum is σ = 587494749482. Its totient is φ = 587494749480.

The previous prime is 587494749467. The next prime is 587494749533. The reversal of 587494749481 is 184947494785.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 477840387600 + 109654361881 = 691260^2 + 331141^2 .

It is a cyclic number.

It is not a de Polignac number, because 587494749481 - 2⁵ = 587494749449 is a prime.

It is a super-2 number, since 2×587494749481² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 587494749481.

It is not a weakly prime, because it can be changed into another prime (587494749451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 293747374740 + 293747374741.

It is an arithmetic number, because the mean of its divisors is an integer number (293747374741).

Almost surely, 2^587494749481 is an apocalyptic number.

It is an amenable number.

587494749481 is a deficient number, since it is larger than the sum of its proper divisors (1).

587494749481 is an equidigital number, since it uses as much as digits as its factorization.

587494749481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 325140480, while the sum is 70.

The spelling of 587494749481 in words is "five hundred eighty-seven billion, four hundred ninety-four million, seven hundred forty-nine thousand, four hundred eighty-one".