36870819421 has 8 divisors (see below), whose sum is σ = 37869787224. Its totient is φ = 35871981120.

The previous prime is 36870819413. The next prime is 36870819449. The reversal of 36870819421 is 12491807863.

It can be written as a sum of positive squares in 4 ways, for example, as 19178095225 + 17692724196 = 138485^2 + 133014^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 36870819421 - 2³ = 36870819413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36870819481) 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 7 ways as a sum of consecutive naturals, for example, 914631 + ... + 954091.

It is an arithmetic number, because the mean of its divisors is an integer number (4733723403).

Almost surely, 2^36870819421 is an apocalyptic number.

It is an amenable number.

36870819421 is a deficient number, since it is larger than the sum of its proper divisors (998967803).

36870819421 is a wasteful number, since it uses less digits than its factorization.

36870819421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64751.

The product of its (nonzero) digits is 580608, while the sum is 49.

It can be divided in two parts, 368708 and 19421, that added together give a square (388129 = 623²).

The spelling of 36870819421 in words is "thirty-six billion, eight hundred seventy million, eight hundred nineteen thousand, four hundred twenty-one".