36521742434 has 4 divisors (see below), whose sum is σ = 54782613654. Its totient is φ = 18260871216.

The previous prime is 36521742431. The next prime is 36521742461. The reversal of 36521742434 is 43424712563.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 19241851225 + 17279891209 = 138715^2 + 131453^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 36521742391 and 36521742400.

It is not an unprimeable number, because it can be changed into a prime (36521742431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9130435607 + ... + 9130435610.

Almost surely, 2^36521742434 is an apocalyptic number.

36521742434 is a deficient number, since it is larger than the sum of its proper divisors (18260871220).

36521742434 is a wasteful number, since it uses less digits than its factorization.

36521742434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18260871219.

The product of its digits is 483840, while the sum is 41.

The spelling of 36521742434 in words is "thirty-six billion, five hundred twenty-one million, seven hundred forty-two thousand, four hundred thirty-four".