36738729881 has 16 divisors (see below), whose sum is σ = 42995339904. Its totient is φ = 30735258624.

The previous prime is 36738729871. The next prime is 36738729887. The reversal of 36738729881 is 18892783763.

It is not a de Polignac number, because 36738729881 - 2¹⁰ = 36738728857 is a prime.

It is a super-2 number, since 2×36738729881² (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 (36738729887) 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 15 ways as a sum of consecutive naturals, for example, 368825 + ... + 457721.

It is an arithmetic number, because the mean of its divisors is an integer number (2687208744).

Almost surely, 2^36738729881 is an apocalyptic number.

It is an amenable number.

36738729881 is a deficient number, since it is larger than the sum of its proper divisors (6256610023).

36738729881 is a wasteful number, since it uses less digits than its factorization.

36738729881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90320.

The product of its digits is 24385536, while the sum is 62.

The spelling of 36738729881 in words is "thirty-six billion, seven hundred thirty-eight million, seven hundred twenty-nine thousand, eight hundred eighty-one".