536615869 has 4 divisors (see below), whose sum is σ = 541364796. Its totient is φ = 531866944.

The previous prime is 536615861. The next prime is 536615927. The reversal of 536615869 is 968516635.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 968516635 = 5 ⋅193703327.

It can be written as a sum of positive squares in 2 ways, for example, as 67026969 + 469588900 = 8187^2 + 21670^2 .

It is a cyclic number.

It is not a de Polignac number, because 536615869 - 2³ = 536615861 is a prime.

It is a super-2 number, since 2×536615869² = 575913181725250322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (536615861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2374294 + ... + 2374519.

It is an arithmetic number, because the mean of its divisors is an integer number (135341199).

Almost surely, 2^536615869 is an apocalyptic number.

It is an amenable number.

536615869 is a deficient number, since it is larger than the sum of its proper divisors (4748927).

536615869 is a wasteful number, since it uses less digits than its factorization.

536615869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4748926.

The product of its digits is 1166400, while the sum is 49.

The square root of 536615869 is about 23164.9707316888. The cubic root of 536615869 is about 812.6206181167.

The spelling of 536615869 in words is "five hundred thirty-six million, six hundred fifteen thousand, eight hundred sixty-nine".