36436721127 has 4 divisors (see below), whose sum is σ = 48582294840. Its totient is φ = 24291147416.

The previous prime is 36436721119. The next prime is 36436721143. The reversal of 36436721127 is 72112763463.

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

It is a cyclic number.

It is not a de Polignac number, because 36436721127 - 2³ = 36436721119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36436721107) 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, 6072786852 + ... + 6072786857.

It is an arithmetic number, because the mean of its divisors is an integer number (12145573710).

Almost surely, 2^36436721127 is an apocalyptic number.

36436721127 is a deficient number, since it is larger than the sum of its proper divisors (12145573713).

36436721127 is a wasteful number, since it uses less digits than its factorization.

36436721127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12145573712.

The product of its digits is 254016, while the sum is 42.

The spelling of 36436721127 in words is "thirty-six billion, four hundred thirty-six million, seven hundred twenty-one thousand, one hundred twenty-seven".