36381452258 has 6 divisors (see below), whose sum is σ = 54572583009. Its totient is φ = 18190591256.

The previous prime is 36381452251. The next prime is 36381452267. The reversal of 36381452258 is 85225418363.

It can be written as a sum of positive squares in 2 ways, for example, as 36032771329 + 348680929 = 189823^2 + 18673^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=134873.

It is a super-2 number, since 2×36381452258² (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 (36381452251) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 202310 + ... + 337182.

Almost surely, 2^36381452258 is an apocalyptic number.

36381452258 is a deficient number, since it is larger than the sum of its proper divisors (18191130751).

36381452258 is an frugal number, since it uses more digits than its factorization.

36381452258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269748 (or 134875 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 47.

The spelling of 36381452258 in words is "thirty-six billion, three hundred eighty-one million, four hundred fifty-two thousand, two hundred fifty-eight".