36216945634 has 4 divisors (see below), whose sum is σ = 54325418454. Its totient is φ = 18108472816.

The previous prime is 36216945563. The next prime is 36216945643. The reversal of 36216945634 is 43654961263.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43654961263 = 2731 ⋅15984973.

It can be written as a sum of positive squares in only one way, i.e., 23285844409 + 12931101225 = 152597^2 + 113715^2 .

It is a super-2 number, since 2×36216945634² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9054236407 + ... + 9054236410.

Almost surely, 2^36216945634 is an apocalyptic number.

36216945634 is a deficient number, since it is larger than the sum of its proper divisors (18108472820).

36216945634 is a wasteful number, since it uses less digits than its factorization.

36216945634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18108472819.

The product of its digits is 2799360, while the sum is 49.

The spelling of 36216945634 in words is "thirty-six billion, two hundred sixteen million, nine hundred forty-five thousand, six hundred thirty-four".