36172261372469 has 2 divisors, whose sum is σ = 36172261372470. Its totient is φ = 36172261372468.

The previous prime is 36172261372463. The next prime is 36172261372543. The reversal of 36172261372469 is 96427316227163.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23946714157444 + 12225547215025 = 4893538^2 + 3496505^2 .

It is a cyclic number.

It is not a de Polignac number, because 36172261372469 - 2⁴ = 36172261372453 is a prime.

It is a super-2 number, since 2×36172261372469² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36172261372463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18086130686234 + 18086130686235.

It is an arithmetic number, because the mean of its divisors is an integer number (18086130686235).

Almost surely, 2^{36172261372469} is an apocalyptic number.

It is an amenable number.

36172261372469 is a deficient number, since it is larger than the sum of its proper divisors (1).

36172261372469 is an equidigital number, since it uses as much as digits as its factorization.

36172261372469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27433728, while the sum is 59.

The spelling of 36172261372469 in words is "thirty-six trillion, one hundred seventy-two billion, two hundred sixty-one million, three hundred seventy-two thousand, four hundred sixty-nine".