36289742161 has 4 divisors (see below), whose sum is σ = 36290123632. Its totient is φ = 36289360692.

The previous prime is 36289742149. The next prime is 36289742213. The reversal of 36289742161 is 16124798263.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36289742161 is a prime.

It is a super-2 number, since 2×36289742161² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36289740161) 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, 81130 + ... + 281356.

It is an arithmetic number, because the mean of its divisors is an integer number (9072530908).

Almost surely, 2^36289742161 is an apocalyptic number.

It is an amenable number.

36289742161 is a deficient number, since it is larger than the sum of its proper divisors (381471).

36289742161 is a wasteful number, since it uses less digits than its factorization.

36289742161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381470.

The product of its digits is 870912, while the sum is 49.

The spelling of 36289742161 in words is "thirty-six billion, two hundred eighty-nine million, seven hundred forty-two thousand, one hundred sixty-one".