36397036394 has 4 divisors (see below), whose sum is σ = 54595554594. Its totient is φ = 18198518196.

The previous prime is 36397036393. The next prime is 36397036427. The reversal of 36397036394 is 49363079363.

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., 34642515625 + 1754520769 = 186125^2 + 41887^2 .

It is not an unprimeable number, because it can be changed into a prime (36397036393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9099259097 + ... + 9099259100.

Almost surely, 2^36397036394 is an apocalyptic number.

36397036394 is a deficient number, since it is larger than the sum of its proper divisors (18198518200).

36397036394 is a wasteful number, since it uses less digits than its factorization.

36397036394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18198518199.

The product of its (nonzero) digits is 6613488, while the sum is 53.

The spelling of 36397036394 in words is "thirty-six billion, three hundred ninety-seven million, thirty-six thousand, three hundred ninety-four".