36437673236641 has 4 divisors (see below), whose sum is σ = 36460926380032. Its totient is φ = 36414420093252.

The previous prime is 36437673236621. The next prime is 36437673236687. The reversal of 36437673236641 is 14663237673463.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36437673236641 is a prime.

It is a super-4 number, since 4×36437673236641⁴ (a number of 55 digits) contains 4444 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 36437673236641.

It is not an unprimeable number, because it can be changed into a prime (36437673236611) 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, 11626569345 + ... + 11626572478.

It is an arithmetic number, because the mean of its divisors is an integer number (9115231595008).

Almost surely, 2^{36437673236641} is an apocalyptic number.

It is an amenable number.

36437673236641 is a deficient number, since it is larger than the sum of its proper divisors (23253143391).

36437673236641 is a wasteful number, since it uses less digits than its factorization.

36437673236641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23253143390.

The product of its digits is 164602368, while the sum is 61.

The spelling of 36437673236641 in words is "thirty-six trillion, four hundred thirty-seven billion, six hundred seventy-three million, two hundred thirty-six thousand, six hundred forty-one".