36865791469 has 4 divisors (see below), whose sum is σ = 39701621596. Its totient is φ = 34029961344.

The previous prime is 36865791467. The next prime is 36865791497. The reversal of 36865791469 is 96419756863.

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 17546181444 + 19319610025 = 132462^2 + 138995^2 .

It is a cyclic number.

It is not a de Polignac number, because 36865791469 - 2¹ = 36865791467 is a prime.

It is a super-2 number, since 2×36865791469² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 36865791469.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36865791461) 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, 1417915044 + ... + 1417915069.

It is an arithmetic number, because the mean of its divisors is an integer number (9925405399).

Almost surely, 2^36865791469 is an apocalyptic number.

It is an amenable number.

36865791469 is a deficient number, since it is larger than the sum of its proper divisors (2835830127).

36865791469 is a wasteful number, since it uses less digits than its factorization.

36865791469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2835830126.

The product of its digits is 58786560, while the sum is 64.

The spelling of 36865791469 in words is "thirty-six billion, eight hundred sixty-five million, seven hundred ninety-one thousand, four hundred sixty-nine".