36320046397 has 4 divisors (see below), whose sum is σ = 37572461820. Its totient is φ = 35067630976.

The previous prime is 36320046341. The next prime is 36320046407. The reversal of 36320046397 is 79364002363.

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

It can be written as a sum of positive squares in 2 ways, for example, as 26873372761 + 9446673636 = 163931^2 + 97194^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36320046397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36320047397) 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, 626207668 + ... + 626207725.

It is an arithmetic number, because the mean of its divisors is an integer number (9393115455).

Almost surely, 2^36320046397 is an apocalyptic number.

It is an amenable number.

36320046397 is a deficient number, since it is larger than the sum of its proper divisors (1252415423).

36320046397 is a wasteful number, since it uses less digits than its factorization.

36320046397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1252415422.

The product of its (nonzero) digits is 489888, while the sum is 43.

The spelling of 36320046397 in words is "thirty-six billion, three hundred twenty million, forty-six thousand, three hundred ninety-seven".