36667498381 has 2 divisors, whose sum is σ = 36667498382. Its totient is φ = 36667498380.

The previous prime is 36667498363. The next prime is 36667498397. The reversal of 36667498381 is 18389476663.

36667498381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19346306281 + 17321192100 = 139091^2 + 131610^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36667498381 is a prime.

It is a super-2 number, since 2×36667498381² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36667490381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18333749190 + 18333749191.

It is an arithmetic number, because the mean of its divisors is an integer number (18333749191).

Almost surely, 2^36667498381 is an apocalyptic number.

It is an amenable number.

36667498381 is a deficient number, since it is larger than the sum of its proper divisors (1).

36667498381 is an equidigital number, since it uses as much as digits as its factorization.

36667498381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31352832, while the sum is 61.

The spelling of 36667498381 in words is "thirty-six billion, six hundred sixty-seven million, four hundred ninety-eight thousand, three hundred eighty-one".