36852136981 has 4 divisors (see below), whose sum is σ = 40202331264. Its totient is φ = 33501942700.

The previous prime is 36852136957. The next prime is 36852137029. The reversal of 36852136981 is 18963125863.

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 an emirpimes, since its reverse is a distinct semiprime: 18963125863 = 11 ⋅1723920533.

It is a cyclic number.

It is not a de Polignac number, because 36852136981 - 2¹⁷ = 36852005909 is a prime.

It is a super-2 number, since 2×36852136981² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36852136931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1675097125 + ... + 1675097146.

It is an arithmetic number, because the mean of its divisors is an integer number (10050582816).

Almost surely, 2^36852136981 is an apocalyptic number.

It is an amenable number.

36852136981 is a deficient number, since it is larger than the sum of its proper divisors (3350194283).

36852136981 is a wasteful number, since it uses less digits than its factorization.

36852136981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3350194282.

The product of its digits is 1866240, while the sum is 52.

The spelling of 36852136981 in words is "thirty-six billion, eight hundred fifty-two million, one hundred thirty-six thousand, nine hundred eighty-one".