36719352261 has 6 divisors (see below), whose sum is σ = 53039064390. Its totient is φ = 24479568168.

The previous prime is 36719352227. The next prime is 36719352281. The reversal of 36719352261 is 16225391763.

36719352261 is a `hidden beast` number, since 3 + 67 + 1 + 9 + 3 + 522 + 61 = 666.

It can be written as a sum of positive squares in only one way, i.e., 29725208100 + 6994144161 = 172410^2 + 83631^2 .

It is not a de Polignac number, because 36719352261 - 2⁹ = 36719351749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36719352281) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2039964006 + ... + 2039964023.

It is an arithmetic number, because the mean of its divisors is an integer number (8839844065).

Almost surely, 2^36719352261 is an apocalyptic number.

It is an amenable number.

36719352261 is a deficient number, since it is larger than the sum of its proper divisors (16319712129).

36719352261 is a wasteful number, since it uses less digits than its factorization.

36719352261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4079928035 (or 4079928032 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

The spelling of 36719352261 in words is "thirty-six billion, seven hundred nineteen million, three hundred fifty-two thousand, two hundred sixty-one".