36531565442 has 8 divisors (see below), whose sum is σ = 55695665532. Its totient is φ = 17966343600.

The previous prime is 36531565439. The next prime is 36531565453. The reversal of 36531565442 is 24456513563.

It can be written as a sum of positive squares in 2 ways, for example, as 36118622401 + 412943041 = 190049^2 + 20321^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 36531565393 and 36531565402.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149719409 + ... + 149719652.

Almost surely, 2^36531565442 is an apocalyptic number.

36531565442 is a deficient number, since it is larger than the sum of its proper divisors (19164100090).

36531565442 is a wasteful number, since it uses less digits than its factorization.

36531565442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299439124.

The product of its digits is 1296000, while the sum is 44.

The spelling of 36531565442 in words is "thirty-six billion, five hundred thirty-one million, five hundred sixty-five thousand, four hundred forty-two".