32145012169 has 2 divisors, whose sum is σ = 32145012170. Its totient is φ = 32145012168.

The previous prime is 32145012143. The next prime is 32145012199. The reversal of 32145012169 is 96121054123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22055814144 + 10089198025 = 148512^2 + 100445^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32145012169 is a prime.

It is a super-2 number, since 2×32145012169² (a number of 22 digits) contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (32145012199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16072506084 + 16072506085.

It is an arithmetic number, because the mean of its divisors is an integer number (16072506085).

Almost surely, 2^32145012169 is an apocalyptic number.

It is an amenable number.

32145012169 is a deficient number, since it is larger than the sum of its proper divisors (1).

32145012169 is an equidigital number, since it uses as much as digits as its factorization.

32145012169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 34.

The spelling of 32145012169 in words is "thirty-two billion, one hundred forty-five million, twelve thousand, one hundred sixty-nine".