45683505169 has 3 divisors (see below), whose sum is σ = 45683718907. Its totient is φ = 45683291432.

The previous prime is 45683505113. The next prime is 45683505199. The reversal of 45683505169 is 96150538654.

The square root of 45683505169 is 213737.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 4763070225 + 40920434944 = 69015^2 + 202288^2 .

It is not a de Polignac number, because 45683505169 - 2²³ = 45675116561 is a prime.

It is a super-2 number, since 2×45683505169² (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 (45683505199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 106869 + ... + 320605.

Almost surely, 2^45683505169 is an apocalyptic number.

45683505169 is the 213737-th square number.

45683505169 is the 106869-th centered octagonal number.

It is an amenable number.

45683505169 is a deficient number, since it is larger than the sum of its proper divisors (213738).

45683505169 is an frugal number, since it uses more digits than its factorization.

45683505169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427474 (or 213737 counting only the distinct ones).

The product of its (nonzero) digits is 3888000, while the sum is 52.

The spelling of 45683505169 in words is "forty-five billion, six hundred eighty-three million, five hundred five thousand, one hundred sixty-nine".