867281013 has 10 divisors (see below), whose sum is σ = 1295568054. Its totient is φ = 578187288.

The previous prime is 867281003. The next prime is 867281021. The reversal of 867281013 is 310182768.

It can be written as a sum of positive squares in only one way, i.e., 838797444 + 28483569 = 28962^2 + 5337^2 .

It is not a de Polignac number, because 867281013 - 2¹³ = 867272821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (867281003) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5353506 + ... + 5353667.

Almost surely, 2^867281013 is an apocalyptic number.

It is an amenable number.

867281013 is a deficient number, since it is larger than the sum of its proper divisors (428287041).

867281013 is a wasteful number, since it uses less digits than its factorization.

867281013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10707185 (or 10707176 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 867281013 is about 29449.6351929867. The cubic root of 867281013 is about 953.6447294672.

The spelling of 867281013 in words is "eight hundred sixty-seven million, two hundred eighty-one thousand, thirteen".