36673654121 has 4 divisors (see below), whose sum is σ = 39494704452. Its totient is φ = 33852603792.

The previous prime is 36673654091. The next prime is 36673654139. The reversal of 36673654121 is 12145637663.

36673654121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12145637663 = 12601 ⋅963863.

It can be written as a sum of positive squares in 2 ways, for example, as 22301240896 + 14372413225 = 149336^2 + 119885^2 .

It is a cyclic number.

It is not a de Polignac number, because 36673654121 - 2²² = 36669459817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36673654421) 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, 1410525146 + ... + 1410525171.

It is an arithmetic number, because the mean of its divisors is an integer number (9873676113).

Almost surely, 2^36673654121 is an apocalyptic number.

It is an amenable number.

36673654121 is a deficient number, since it is larger than the sum of its proper divisors (2821050331).

36673654121 is a wasteful number, since it uses less digits than its factorization.

36673654121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2821050330.

The product of its digits is 544320, while the sum is 44.

The spelling of 36673654121 in words is "thirty-six billion, six hundred seventy-three million, six hundred fifty-four thousand, one hundred twenty-one".