536870869 has 2 divisors, whose sum is σ = 536870870. Its totient is φ = 536870868.

The previous prime is 536870849. The next prime is 536870879. The reversal of 536870869 is 968078635.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 447322500 + 89548369 = 21150^2 + 9463^2 .

It is a cyclic number.

It is not a de Polignac number, because 536870869 - 2⁵ = 536870837 is a prime.

It is a super-3 number, since 3×536870869³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (536870819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268435434 + 268435435.

It is an arithmetic number, because the mean of its divisors is an integer number (268435435).

Almost surely, 2^536870869 is an apocalyptic number.

It is an amenable number.

536870869 is a deficient number, since it is larger than the sum of its proper divisors (1).

536870869 is an equidigital number, since it uses as much as digits as its factorization.

536870869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2177280, while the sum is 52.

The square root of 536870869 is about 23170.4740780158. The cubic root of 536870869 is about 812.7493169090.

The spelling of 536870869 in words is "five hundred thirty-six million, eight hundred seventy thousand, eight hundred sixty-nine".